5th Grade Science Test -matter, Atoms, Force, Motion & Energy

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5th Grade Science Test -matter, Atoms, Force, Motion & Energy - Quiz

I created this quiz to test my son's knowledge of 5th grade Science Concepts, or what he should know by the 5th grade!


Questions and Answers
  • 1. 

    What subatomic particles make up an atom?

    • A.

      Elements and molecules

    • B.

      Protons and electrons

    • C.

      Nucleus and nuetrons

    • D.

      Electrons,nuetrons and protons

    • E.

      Particles and molecules

    Correct Answer
    D. Electrons,nuetrons and protons
    Explanation
    Electrons, neutrons, and protons are the subatomic particles that make up an atom. Electrons are negatively charged particles that orbit the nucleus, while protons are positively charged particles found in the nucleus. Neutrons, on the other hand, are neutral particles also located in the nucleus. Together, these three particles form the structure of an atom, with electrons occupying energy levels around the nucleus and protons and neutrons located within the nucleus.

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  • 2. 

    The basic unit of structure and function of all living things is a ______________?

    Correct Answer
    cell
    Explanation
    The basic unit of structure and function of all living things is a cell. Cells are the smallest and most fundamental units of life. They are responsible for carrying out all the necessary functions to sustain life, such as metabolism, growth, and reproduction. Cells can vary in size, shape, and function, but they all share the common characteristic of being the building blocks of life. Without cells, living organisms would not be able to exist or carry out the complex processes required for survival.

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  • 3. 

     The measure of the pull of gravity on an object is called it's___________?

    Correct Answer
    weight
    Explanation
    Weight is the measure of the pull of gravity on an object. It is a force that is exerted on an object due to the gravitational attraction between the object and the Earth (or any other celestial body). Weight is dependent on the mass of the object and the strength of the gravitational field. It is commonly measured in units such as pounds or kilograms.

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  • 4. 

    Characteristics of a substance that can be observed or measured without changing the substance into something else are.....

    • A.

      Mass

    • B.

      Matter

    • C.

      Chemical reactions

    • D.

      Physical Properties

    • E.

      Solubility

    Correct Answer
    D. Physical Properties
    Explanation
    Physical properties are characteristics of a substance that can be observed or measured without changing the substance into something else. These properties include mass, which is the amount of matter in an object, and matter itself, which refers to anything that occupies space and has mass. Chemical reactions, on the other hand, involve the transformation of one substance into another, so they do not fall under the category of physical properties. Solubility, while it can be observed without changing the substance, is a specific property related to the ability of a substance to dissolve in another substance, so it is also considered a physical property.

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  • 5. 

    Matter is....?

    • A.

      How heavy an object is in space.

    • B.

      Invisible.

    • C.

      Anything that can be measured.

    • D.

      So small you can not see it without a microscope.

    • E.

      Anything that has mass and takes up space.

    Correct Answer
    E. Anything that has mass and takes up space.
    Explanation
    The correct answer is "anything that has mass and takes up space." This answer accurately defines matter as anything that has mass, meaning it has weight, and takes up space, meaning it occupies a physical volume. This definition encompasses all forms of matter, whether they are visible or invisible, large or small.

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  • 6. 

    Density is......

    • A.

      The amount of dense in an object.

    • B.

      The amount of space an object takes up.

    • C.

      The concentration of matter in an object.

    • D.

      The same as weight, unless you are not on earth.

    • E.

      Is the speed at which light can travel through space.

    Correct Answer
    C. The concentration of matter in an object.
    Explanation
    The correct answer is "The concentration of matter in an object." Density refers to how much mass is packed into a given volume of an object. It is a measure of how closely the particles are packed together within the object. Objects with higher density have more matter packed into a smaller space, while objects with lower density have less matter spread out over a larger space.

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  • 7. 

    Solubility is the ability of a substance to be.....?

    • A.

      Measured.

    • B.

      Weighed.

    • C.

      Displaced.

    • D.

      Solid.

    • E.

      Dissolved.

    Correct Answer
    E. Dissolved.
    Explanation
    Solubility refers to the ability of a substance to dissolve in a solvent. It is a measure of how much of a solute can dissolve in a given amount of solvent at a specific temperature and pressure. Solubility is determined by the nature of the solute and solvent, as well as the temperature and pressure conditions. Therefore, the correct answer is "dissolved."

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  • 8. 

    An example of a physical property is.......

    • A.

      Red

    • B.

      Small

    • C.

      Heavy

    • D.

      Soft

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    All of the options listed - red, small, heavy, and soft - are examples of physical properties. Physical properties are characteristics of a substance that can be observed or measured without changing its identity. In this case, the color (red), size (small), weight (heavy), and texture (soft) are all physical properties that can be used to describe an object.

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  • 9. 

    What process is the opposite of evaporation?

    • A.

      Sublimination

    • B.

      Precipitation

    • C.

      Condensation

    • D.

      Boiling point

    • E.

      Air pressure

    Correct Answer
    C. Condensation
    Explanation
    Condensation is the process opposite to evaporation because it involves the conversion of a gas or vapor into a liquid. During condensation, the molecules lose energy and come closer together, forming liquid droplets. This process occurs when the temperature of a gas or vapor decreases, causing it to change state. In contrast, evaporation is the process by which a liquid changes into a gas or vapor, typically due to an increase in temperature. Therefore, condensation is the correct answer as it is the opposite process to evaporation.

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  • 10. 

    What state of matter does not have a definitive shape or volume?

    Correct Answer
    gas
    Explanation
    Gas is a state of matter that does not have a definitive shape or volume. Unlike solids and liquids, gas particles are not tightly packed and can move freely, filling the space available to them. This allows gases to take the shape and volume of their container. The particles in a gas are in constant motion, colliding with each other and the walls of the container. Therefore, gas does not have a fixed shape or volume and can expand or contract depending on the conditions it is subjected to.

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  • 11. 

    At what temperature does water boil in F and C?

    • A.

      98 F and 132 C

    • B.

      212 F and 100 C

    • C.

      100 F and 212 C

    • D.

      110 F and 32 C

    • E.

      32 F and 0 C

    Correct Answer
    B. 212 F and 100 C
    Explanation
    Water boils at 212 degrees Fahrenheit and 100 degrees Celsius.

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  • 12. 

    Chemical reactions occur when.......

    • A.

      You mix together any two different substances.

    • B.

      You combine a powder and a liquid.

    • C.

      Changes in which one or more new substances are formed.

    • D.

      Gas is created from a liquid.

    • E.

      You mix a gas and a liquid to create a solid.

    Correct Answer
    C. Changes in which one or more new substances are formed.
    Explanation
    Chemical reactions occur when there are changes in which one or more new substances are formed. This means that the original substances undergo a transformation and new substances with different properties are produced. Mixing different substances, combining a powder and a liquid, creating gas from a liquid, or mixing a gas and a liquid to create a solid may or may not involve chemical reactions, as these processes may or may not result in the formation of new substances.

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  • 13. 

    Is matter created or destroyed during a physical or chemical change?

    • A.

      Created

    • B.

      Destroyed

    • C.

      Created and Destroyed immediately after.

    • D.

      Neither Created nor Destroyed.

    • E.

      It depends on the scientific experiment and which substances you are using.

    Correct Answer
    D. Neither Created nor Destroyed.
    Explanation
    During a physical or chemical change, matter is not created or destroyed, but rather transformed from one form to another. This is known as the law of conservation of mass, which states that the total mass of a closed system remains constant over time. Therefore, the amount of matter present before and after the change will be the same, even though it may have undergone a physical or chemical transformation.

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  • 14. 

    The very tiny center of an atom is called a.....

    • A.

      Molecule

    • B.

      Particle

    • C.

      Subatomic particle

    • D.

      Nuetron

    • E.

      Nucleus

    Correct Answer
    E. Nucleus
    Explanation
    The correct answer is nucleus. The nucleus is the very tiny center of an atom that contains most of its mass and is composed of protons and neutrons. It is surrounded by electrons, which orbit around the nucleus in specific energy levels. The nucleus is positively charged due to the presence of protons and is responsible for holding the atom together through the strong nuclear force.

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  • 15. 

    John Dalton's theory that all matter is made up of tiny particles is called.......?

    • A.

      The theory of evolution

    • B.

      The theory of relativity

    • C.

      The atomic theory of matter

    • D.

      The atom theory

    • E.

      The measurement of matter theory

    Correct Answer
    C. The atomic theory of matter
    Explanation
    John Dalton's theory, known as the atomic theory of matter, states that all matter is composed of tiny particles called atoms. This theory revolutionized our understanding of the composition and behavior of matter. It laid the foundation for modern chemistry and provided a framework for explaining various chemical phenomena. Dalton's theory emphasized the indivisible nature of atoms and their ability to combine in simple, whole number ratios to form compounds. The atomic theory of matter has been widely accepted and supported by numerous experiments and observations, making it a fundamental concept in the field of science.

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  • 16. 

    Which subatomic particle has a negative charge?

    • A.

      Electron

    • B.

      Nuetron

    • C.

      Proton

    • D.

      Nucleus

    • E.

      The theory of negativity.

    Correct Answer
    A. Electron
    Explanation
    An electron is a subatomic particle that carries a negative charge. It orbits around the nucleus of an atom and is responsible for the flow of electricity. Electrons are fundamental particles and are found in all atoms, except for hydrogen, which only consists of a single proton and electron. The negative charge of an electron is equal in magnitude to the positive charge of a proton, making them oppositely charged particles. This charge difference allows for the formation of chemical bonds and the overall stability of matter.

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  • 17. 

    An element is a substance that is made up of only one kind of........

    • A.

      Nucleus

    • B.

      Particle

    • C.

      Matter

    • D.

      Atom

    • E.

      Metal

    Correct Answer
    D. Atom
    Explanation
    An element is a substance that is made up of only one kind of atom. This means that all the atoms in an element have the same number of protons in their nucleus. The other options, such as particle, matter, and metal, do not accurately describe an element as they can consist of multiple types of atoms or substances. Therefore, the correct answer is atom.

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  • 18. 

    What is a molecule?

    • A.

      Two or more atoms linked together.

    • B.

      Particles of atoms

    • C.

      The center of an atom.

    • D.

      Particles of gas

    • E.

      A mole who is very "cule"

    Correct Answer
    A. Two or more atoms linked together.
    Explanation
    A molecule is a group of two or more atoms that are chemically bonded together. These atoms can be of the same element or different elements. When atoms come together to form a molecule, they share electrons in order to achieve a stable configuration. This bonding can occur through various types of chemical bonds such as covalent, ionic, or metallic bonds. The concept of molecules is fundamental to understanding the structure and behavior of matter in chemistry.

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  • 19. 

    What is the smallest unit of an element that has all the properties of that element?

    • A.

      A molecule

    • B.

      An atom

    • C.

      Nucleus

    • D.

      An orbital

    • E.

      A property

    Correct Answer
    B. An atom
    Explanation
    An atom is the smallest unit of an element that retains all the properties of that element. Atoms are made up of protons, neutrons, and electrons. Protons and neutrons are located in the nucleus of the atom, while electrons orbit around the nucleus in specific energy levels called orbitals. The combination of these subatomic particles determines the chemical behavior and properties of the element. Therefore, an atom is the correct answer as it is the fundamental building block of all matter and possesses all the unique characteristics of its corresponding element.

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  • 20. 

    What is the chemical symbol of  Hydrogen?

    • A.

      He

    • B.

      Hy

    • C.

      H

    • D.

      Hd

    • E.

      Hn

    Correct Answer
    C. H
    Explanation
    The chemical symbol for Hydrogen is H.

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  • 21. 

    What is the chemical symbol of Oxygen?

    • A.

      Ox

    • B.

      Oh

    • C.

      Oy

    • D.

      O

    • E.

      Oe

    Correct Answer
    D. O
    Explanation
    The chemical symbol for Oxygen is O.

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  • 22. 

    What is the chemical symbol for Copper?

    • A.

      Co

    • B.

      C

    • C.

      Cu

    • D.

      Cp

    • E.

      Ce

    Correct Answer
    C. Cu
    Explanation
    The chemical symbol for Copper is Cu.

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  • 23. 

    A compound is a.......

    • A.

      A mixture

    • B.

      Substance made of the atoms of two or more elements

    • C.

      A chemical reaction between two solids

    • D.

      A two part scientific experiment

    • E.

      A physical property

    Correct Answer
    B. Substance made of the atoms of two or more elements
    Explanation
    A compound is a substance made of the atoms of two or more elements. Compounds are formed when atoms of different elements chemically combine with each other in specific ratios. This chemical bonding results in the formation of a new substance with unique properties that are different from the properties of the individual elements. Compounds can be represented by chemical formulas that indicate the types and ratios of atoms present in the compound.

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  • 24. 

    Any push or pull that causes an object to move, stop or change direction is called?

    • A.

      Gravity

    • B.

      Friction

    • C.

      Energy

    • D.

      Magnetism

    • E.

      Force

    Correct Answer
    E. Force
    Explanation
    Force is the correct answer because it refers to any push or pull that causes an object to move, stop, or change direction. Gravity is a force that pulls objects towards each other, but it does not encompass all types of forces. Friction is a force that opposes motion, but it does not cover all possible actions on an object. Energy is the ability to do work, but it does not specifically refer to a push or pull. Magnetism is a force that acts on certain materials, but it is not the most general term for any push or pull.

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  • 25. 

    Friction is .......

    • A.

      The force between two magnets or poles

    • B.

      A force that opposes, or acts against, motion when two surfaces rub against each other.

    • C.

      When an object is attracted to another object.

    • D.

      Heat

    • E.

      The speed of magnetic force.

    Correct Answer
    B. A force that opposes, or acts against, motion when two surfaces rub against each other.
    Explanation
    Friction is a force that acts against the motion of two surfaces when they rub against each other. It opposes the motion and makes it harder for the surfaces to slide or move. Friction is caused by the interaction between the molecules of the two surfaces, which creates resistance and heat. This force is important in everyday life as it allows us to walk, grip objects, and control the movement of vehicles.

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  • 26. 

    What force keeps us from floating into space?

    • A.

      The Magnetic Poles

    • B.

      Gravity

    • C.

      Friction

    • D.

      Force and Motion

    • E.

      The atmosphere

    Correct Answer
    B. Gravity
    Explanation
    Gravity is the force that keeps us from floating into space. Gravity is the natural phenomenon by which all objects with mass or energy are brought toward one another. It is responsible for keeping us grounded on Earth and preventing us from floating away. Without gravity, objects would not have weight and there would be no force keeping us on the surface of the Earth.

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  • 27. 

    When an unbalanced object is forced to change direction or stops what is this change of motion called?

    • A.

      Magnetism

    • B.

      Friction

    • C.

      Acceleration

    • D.

      Balanced Forces

    • E.

      Unbalanced Forces

    Correct Answer
    C. Acceleration
    Explanation
    Acceleration is the change in velocity of an object over time. When an unbalanced object is forced to change direction or stops, it experiences a change in motion, which is referred to as acceleration. This change in motion can be caused by the application of a force. Magnetism, friction, balanced forces, and unbalanced forces do not specifically refer to the change in motion of an object.

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  • 28. 

    If you observe a change in an object's speed or direction, you are observing a change in it's .....

    • A.

      Frame of reference

    • B.

      Position

    • C.

      Gravitational pull

    • D.

      Momentum

    • E.

      Velocity

    Correct Answer
    E. Velocity
    Explanation
    When you observe a change in an object's speed or direction, you are observing a change in its velocity. Velocity is a vector quantity that includes both speed and direction. So, any change in an object's speed or direction indicates a change in its velocity.

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  • 29. 

    This is the product of an object's weight and mass, and is a measure of how hard it is to slow down or stop an object.....

    • A.

      Velocity

    • B.

      Friction

    • C.

      Power

    • D.

      Position

    • E.

      Momentum

    Correct Answer
    E. Momentum
    Explanation
    Momentum is the product of an object's weight and mass, and it is a measure of how hard it is to slow down or stop an object. Momentum depends on both the mass and velocity of an object. The greater the mass or the higher the velocity, the greater the momentum. This is because an object with more mass or higher velocity has more inertia and requires more force to change its state of motion. Therefore, momentum can be considered as a measure of an object's resistance to changes in its motion.

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  • 30. 

    What is the first law of motion?

    • A.

      Gravity

    • B.

      Inertia

    • C.

      Friction

    • D.

      Force

    • E.

      Momentum

    Correct Answer
    B. Inertia
    Explanation
    The first law of motion, also known as Newton's first law, states that an object at rest will stay at rest, and an object in motion will stay in motion with the same speed and in the same direction unless acted upon by an external force. Inertia is the property of an object to resist changes in its motion, and it aligns with the first law of motion. Gravity, friction, force, and momentum are all related to motion but do not specifically describe the first law.

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  • 31. 

    An object at rest will remain at rest and an object in motion will continue moving in a straight line at a constant speed until an outside force acts on it.  Who's law of motion is that?

    • A.

      Einstein's

    • B.

      Bell's

    • C.

      Edison's

    • D.

      Newton's

    • E.

      Washington's

    Correct Answer
    D. Newton's
    Explanation
    This statement is known as Newton's First Law of Motion, also called the law of inertia. It states that an object at rest will stay at rest and an object in motion will continue moving in a straight line at a constant speed unless acted upon by an external force. This law was formulated by Sir Isaac Newton, a renowned physicist and mathematician, in his book "Mathematical Principles of Natural Philosophy" published in 1687.

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  • 32. 

    The path one body in space takes as it revolves around another body is called ......

    • A.

      Gravitational pull

    • B.

      Inertia

    • C.

      An orbit

    • D.

      Universal force

    • E.

      Law of the universe

    Correct Answer
    C. An orbit
    Explanation
    An orbit refers to the path that a body in space follows as it revolves around another body. It is the result of the gravitational pull between the two bodies, which causes the orbiting body to continuously fall towards the central body while also moving forward. This combination of falling and forward motion creates a curved path known as an orbit. Inertia, gravitational pull, and the universal force are all factors that contribute to the formation and maintenance of an orbit. However, an orbit itself is the specific term used to describe this path.

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  • 33. 

    The ability to cause changes in matter is called?

    • A.

      Friction

    • B.

      Force

    • C.

      Energy

    • D.

      Velocity

    • E.

      Strength

    Correct Answer
    C. Energy
    Explanation
    Energy is the correct answer because it is the ability to cause changes in matter. Energy can exist in various forms such as kinetic energy, potential energy, thermal energy, and so on. It can be transferred from one object to another or converted between different forms. Energy is what allows objects to move, heat up, or undergo any other change. Friction, force, velocity, and strength are all related concepts, but they are not the specific term used to describe the ability to cause changes in matter.

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  • 34. 

    An example of kinetic energy is.....

    • A.

      A speeding bullet

    • B.

      A parked car

    • C.

      A baseball in your hand

    • D.

      A bow and arrow

    • E.

      A window

    Correct Answer
    A. A speeding bullet
    Explanation
    A speeding bullet is an example of kinetic energy because it is in motion and has the ability to do work. Kinetic energy is the energy possessed by an object due to its motion. The bullet's high speed indicates that it has a significant amount of kinetic energy.

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  • 35. 

    Which are forms of Kinetic Energy?

    • A.

      Potential energy and thermal energy

    • B.

      Electric energy, light energy, mechanical energy, sound energy, thermal energy.

    • C.

      Chemical energy, elastic energy, gravitational energy.

    • D.

      Expressive energy, illusive energy, conservative energy.

    • E.

      Unusable energy, stored energy and hyperbionic energy.

    Correct Answer
    B. Electric energy, light energy, mechanical energy, sound energy, thermal energy.
    Explanation
    The forms of kinetic energy listed in the answer are electric energy, light energy, mechanical energy, sound energy, and thermal energy. These are all examples of energy that is associated with the motion of particles or objects. Electric energy is the energy associated with the movement of electric charges, light energy is the energy of electromagnetic waves, mechanical energy is the energy of moving objects, sound energy is the energy of vibrating particles that create sound waves, and thermal energy is the energy associated with the movement of particles in a substance that determines its temperature.

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  • 36. 

    What causes an electric charge?

    • A.

      An object that loses all its subatomic particles at once.

    • B.

      An objects magnetic pull forces energy to combust.

    • C.

      A flow of electrons to nuetrons at the same time.

    • D.

      When two forces move in outward directions.

    • E.

      When an object gains or loses electrons.

    Correct Answer
    E. When an object gains or loses electrons.
    Explanation
    When an object gains or loses electrons, it causes an electric charge. Electrons are negatively charged particles, so when they are gained or lost by an object, it creates an imbalance of positive and negative charges, resulting in an electric charge. This can happen through various processes such as friction, contact with another charged object, or exposure to an electric field.

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  • 37. 

    When you rub a  red balloon on your hair, electrons rub off the balloon and it becomes .......

    • A.

      Negatively charged

    • B.

      Positively charged

    • C.

      Magnetic

    • D.

      Charged

    • E.

      Attracted to other balloons that are red.

    Correct Answer
    B. Positively charged
    Explanation
    When you rub a red balloon on your hair, electrons are transferred from your hair to the balloon. Electrons have a negative charge, so when they are transferred to the balloon, the balloon gains a net positive charge. This is why the correct answer is "positively charged."

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  • 38. 

    An electric current is a flow of ......

    • A.

      Protons

    • B.

      Nuetrons

    • C.

      Electrons

    • D.

      Thermal energy

    • E.

      Electricity

    Correct Answer
    C. Electrons
    Explanation
    An electric current is a flow of electrons. Electrons are negatively charged particles that carry the charge through a conductor, such as a wire, in an electric circuit. The movement of electrons creates the flow of electric charge, which is what we commonly refer to as an electric current.

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  • 39. 

    What material would make a good conductor of electricity?

    • A.

      Plastic

    • B.

      Glass

    • C.

      Rubber

    • D.

      Copper

    • E.

      Air

    Correct Answer
    D. Copper
    Explanation
    Copper would make a good conductor of electricity because it is a metal with high electrical conductivity. Metals generally have free electrons that can move easily, allowing for the flow of electric current. Copper, in particular, has excellent conductivity due to its atomic structure and arrangement of electrons. It is commonly used in electrical wiring and circuits due to its ability to efficiently transmit electricity.

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  • 40. 

    Any path along which electrons can flow is called ........

    • A.

      A straight line of current

    • B.

      Electric boogooloo

    • C.

      Resistors

    • D.

      Electric circuit

    • E.

      Electric slide

    Correct Answer
    D. Electric circuit
    Explanation
    An electric circuit refers to any path along which electrons can flow. It is a closed loop that allows the movement of electric charges, typically facilitated by conductive materials. This includes wires, switches, and various components like resistors, capacitors, and inductors. Electric circuits are essential for the functioning of electrical devices and systems, as they provide a continuous path for the flow of current.

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  • 41. 

    A coil that is magnetized only when an electric current flows through it is an

    • A.

      Electronic magnetica

    • B.

      Elective magnetism

    • C.

      Electromagnet

    • D.

      Electron coil

    • E.

      Electronic conductor

    Correct Answer
    C. Electromagnet
    Explanation
    An electromagnet is a coil that becomes magnetized when an electric current passes through it. This is because the current creates a magnetic field around the coil, which in turn magnetizes the coil. When the current is turned off, the magnetic field disappears and the coil is no longer magnetized. Therefore, an electromagnet is the correct term to describe a coil that is magnetized only when an electric current flows through it.

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  • 42. 

    When you look in the mirror you see your ......

    • A.

      Shadow

    • B.

      Face

    • C.

      Animal magnetism

    • D.

      Reflection

    • E.

      Refraction

    Correct Answer
    D. Reflection
    Explanation
    When you look in the mirror, you see your reflection. A reflection is the image that appears in a mirror when light waves bounce off a surface and return to the eye. In this case, the mirror reflects the light waves that hit it, creating an image of yourself that you can see.

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  • 43. 

    When the sun comes through the window, the rays of light bend and slow down, this is called......

    • A.

      Reflection

    • B.

      Reframing

    • C.

      Referring light

    • D.

      Concave light rays

    • E.

      Refraction

    Correct Answer
    E. Refraction
    Explanation
    When the sun comes through the window, the rays of light bend and slow down. This phenomenon is known as refraction. Refraction occurs when light passes through a medium with a different density, causing the light to change direction. In this case, as the light passes from air to glass (or any other material the window is made of), it slows down and bends. This bending of light is what we commonly observe when sunlight enters a room through a window.

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  • 44. 

    The loudness of of a sound is called......

    • A.

      Pitch

    • B.

      Waves

    • C.

      Volume

    • D.

      Compression

    • E.

      Decimeters

    Correct Answer
    C. Volume
    Explanation
    The loudness of a sound is referred to as volume. Volume is a measure of the intensity or strength of a sound wave. It is determined by the amplitude of the sound wave, with larger amplitudes producing louder sounds. Pitch, on the other hand, refers to the frequency of a sound wave, while waves are the disturbances that carry sound energy. Compression and decimeters are not directly related to the loudness of a sound.

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  • 45. 

    What kind of lens would you use to see a butterfly up close?

    • A.

      Refractive lens

    • B.

      Concave lens

    • C.

      Convex lens

    • D.

      Light ray lens

    • E.

      Reflective lens

    Correct Answer
    B. Concave lens
    Explanation
    A concave lens would be used to see a butterfly up close. A concave lens is thinner at the center and thicker at the edges, causing light rays to spread out. This lens diverges the light rays, allowing the image of the butterfly to appear larger and closer.

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  • 46. 

    How are sound waves carried?

    • A.

      By vibrating matter

    • B.

      By pitch waves

    • C.

      By volume

    • D.

      By ultraviolet waves

    • E.

      By your ears

    Correct Answer
    A. By vibrating matter
    Explanation
    Sound waves are carried by vibrating matter. When an object vibrates, it creates compressions and rarefactions in the surrounding air molecules, which propagate as sound waves. These waves travel through the medium by causing the particles of the matter to vibrate in a similar manner, transferring the energy from one particle to another. This vibration of matter allows sound waves to propagate and be heard by our ears.

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  • 47. 

    The transfer of thermal energy by electromagnetic waves is called.....

    • A.

      Convection

    • B.

      Radiation

    • C.

      Thermal energy

    • D.

      Conduction

    • E.

      Temperature

    Correct Answer
    B. Radiation
    Explanation
    Radiation is the transfer of thermal energy by electromagnetic waves. Unlike convection and conduction, which require a medium such as a fluid or solid, radiation can occur in a vacuum. This process involves the emission, absorption, and transmission of electromagnetic waves, such as infrared radiation. It is responsible for the transfer of heat from the Sun to the Earth and is commonly observed in everyday life, such as feeling the warmth of a fire or the heat from a light bulb.

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  • 48. 

    There is potential energy in ......

    • A.

      Bananas

    • B.

      Cheese

    • C.

      French fries

    • D.

      Oatmeal

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    All of the listed items (bananas, cheese, french fries, and oatmeal) have the potential to store energy. Potential energy is the stored energy an object possesses due to its position, composition, or condition. In the case of food items, they contain potential energy in the form of chemical energy, which can be converted into other forms of energy when consumed and metabolized by living organisms. Therefore, all of the listed items have the potential to provide energy when consumed.

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  • 49. 

    Which form of energy transfer allows you to feel the warmth of the sun on your face?

    • A.

      Conduction

    • B.

      Convection

    • C.

      Radiation

    • D.

      Chemical energy

    • E.

      Thermal energy

    Correct Answer
    D. Chemical energy
  • 50. 

    Why are fossil fuels considered nonrenewable resources?

    • A.

      They are expensive

    • B.

      They are in limited supply

    • C.

      They are buried too far into the earth for us to reach anymore.

    • D.

      They are extinct.

    • E.

      They can not be used anymore because of new laws.

    Correct Answer
    B. They are in limited supply
    Explanation
    Fossil fuels are considered nonrenewable resources because they are in limited supply. This means that once they are used up, they cannot be replaced within a human lifespan. Fossil fuels, such as coal, oil, and natural gas, are formed over millions of years from the remains of ancient plants and animals. The process of their formation is extremely slow, making it impossible for them to be replenished at the same rate they are consumed. Therefore, their availability is finite, making them nonrenewable resources.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 06, 2009
    Quiz Created by
    Homesweethomesch
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