Matter Unit Test Review

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  • 1/33 Questions

    Which is a state of matter?

    • Squishy
    • Solid
    • Slimey
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About This Quiz

This test review is designed to check your understanding of the basics of Matter.

Matter Quizzes & Trivia

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  • 2. 

    Which is NOT an example of a liquid?

    • Water

    • Milk

    • Crackers

    Correct Answer
    A. Crackers
    Explanation
    Crackers are not an example of a liquid because they are solid food items. Liquids are substances that flow and can be poured, whereas crackers are dry and rigid in nature. Water and milk, on the other hand, are both examples of liquids as they have a fluid consistency.

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  • 3. 

    Which is NOT an example of a solid?

    • Dew

    • Doorknob

    • Dog house

    Correct Answer
    A. Dew
    Explanation
    Dew is not an example of a solid because it is a liquid. Solids have a definite shape and volume, whereas liquids take the shape of their container but have a definite volume. A doorknob and a dog house are both examples of solids because they have a definite shape and volume.

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  • 4. 

    Which two elements make up water?

    • Hydrogen and Oxygen

    • Helium and Oxygen

    • Hafnium and Oxygen

    Correct Answer
    A. Hydrogen and Oxygen
    Explanation
    Water is composed of two elements, hydrogen and oxygen. The chemical formula for water is H2O, which means that each water molecule contains two hydrogen atoms bonded to one oxygen atom. This combination of elements gives water its unique properties, such as its ability to dissolve many substances, its high boiling and melting points, and its role as a universal solvent.

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  • 5. 

    When you change an object's basic characteristics like size and shape it is a ____________ change.

    • Physical

    • Chemical

    • Special

    Correct Answer
    A. Physical
    Explanation
    When you change an object's basic characteristics like size and shape, it is considered a physical change. This is because physical changes do not alter the chemical composition or identity of the substance. In this case, altering the size and shape of an object does not change its chemical properties or create a new substance.

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  • 6. 

    The smallest complete piece of an element is called an _______

    • Atom

    • Proton

    • Nuetron

    Correct Answer
    A. Atom
    Explanation
    An atom is the smallest complete piece of an element. It is composed of protons, neutrons, and electrons. Protons and neutrons are located in the nucleus of the atom, while electrons orbit around the nucleus. Atoms are the building blocks of matter and cannot be broken down further without losing their chemical properties.

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  • 7. 

    The molecules in a solid are _____________.

    • Spread far apart

    • Packed closely together

    • Spread apart

    Correct Answer
    A. Packed closely together
    Explanation
    The correct answer is "packed closely together" because in a solid state, the molecules are tightly packed and held together by strong intermolecular forces. This arrangement gives solids their fixed shape and volume. The molecules in solids have minimal movement and vibrate in fixed positions, which is why they are closely packed together.

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  • 8. 

    All matter _______________.

    • Can be measured on a balance.

    • Takes up space.

    • Has a specific shape.

    Correct Answer
    A. Takes up space.
    Explanation
    This answer is correct because "takes up space" is a fundamental characteristic of matter. Matter exists in the form of solid, liquid, or gas, and regardless of its state, it occupies physical space. This can be observed through simple everyday experiences, such as placing objects in a container or feeling the resistance when trying to move through a crowded room. The other options, "can be measured on a balance" and "has a specific shape," are not universally applicable to all types of matter, making them incorrect.

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  • 9. 

    The process of changing from liquid water to a solid is called ____________.

    • Boiling

    • Freezing

    • Melting

    Correct Answer
    A. Freezing
    Explanation
    The process of changing from liquid water to a solid is called freezing.

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  • 10. 

    What is used to organize the known elements?

    • Periodic chart

    • Periodic graph

    • Periodic table

    Correct Answer
    A. Periodic table
    Explanation
    The periodic table is used to organize the known elements. It arranges the elements in order of increasing atomic number and groups them based on their chemical properties. The table provides valuable information about each element, such as its symbol, atomic mass, and electron configuration. It allows scientists to easily identify and study the properties and relationships between different elements, making it an essential tool in the field of chemistry.

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  • 11. 

    ViewWhich is NOT an example of matter?

    • Shadow

    • Soup

    • Stairs

    Correct Answer
    A. Shadow
    Explanation
    A shadow is not an example of matter because it is simply the absence of light caused by an object blocking the light source. Matter, on the other hand, refers to anything that has mass and occupies space. Both soup and stairs are examples of matter as they have mass and occupy space.

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  • 12. 

    The molecules in a gas are ______________.

    • Spread far apart

    • Packed closely together

    • Spread apart

    Correct Answer
    A. Spread far apart
    Explanation
    The correct answer is spread far apart. In a gas, the molecules have high kinetic energy and move rapidly in all directions. Due to this constant motion, the molecules are able to spread out and occupy a large volume. Therefore, the molecules in a gas are spread far apart from each other.

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  • 13. 

    Heat is one example of _________________.

    • Energy

    • Motion

    • Gases

    Correct Answer
    A. Energy
    Explanation
    Heat is a form of energy. It is the transfer of thermal energy from one object to another due to a difference in temperature. Heat can be produced by various sources such as burning fuel, electricity, or even the sun. It is measured in units of joules or calories. Therefore, "energy" is the correct answer as it accurately describes heat as a type of energy.

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  • 14. 

    The piece of an atom that has a positive charge is called the ______________

    • Nucleus

    • Proton

    • Electron

    Correct Answer
    A. Proton
    Explanation
    The piece of an atom that has a positive charge is called a proton. Protons are subatomic particles found in the nucleus of an atom. They have a positive electrical charge and are approximately 1,836 times heavier than electrons. The number of protons in an atom determines its atomic number and defines the element it belongs to.

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  • 15. 

    The state of matter that maintains it's own shape is ______________.

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Solid
    Explanation
    Solids are the state of matter that maintain their own shape. Unlike liquids and gases, which can flow and change shape, solids have a fixed shape and volume. The particles in a solid are tightly packed together and have strong intermolecular forces holding them in place. This allows solids to maintain their shape even when subjected to external forces.

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  • 16. 

    Molecules are always __________.

    • Changing

    • Resting

    • Moving

    Correct Answer
    A. Moving
    Explanation
    Molecules are constantly in motion due to their kinetic energy. This movement can be in the form of vibrations, rotations, or translations. The random motion of molecules allows them to interact with other molecules and participate in chemical reactions. Therefore, the correct answer is "moving".

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  • 17. 

    Burning is an example of a ___________________ change.

    • Physical

    • Chemical

    • Special

    Correct Answer
    A. Chemical
    Explanation
    Burning is an example of a chemical change because it involves a chemical reaction. During burning, a substance reacts with oxygen to produce new substances with different properties. This process is irreversible and usually accompanied by the release of heat and light. Therefore, burning is not a physical change, which refers to a change in the state or appearance of a substance without altering its chemical composition. "Special" is not a valid option as it does not accurately describe the type of change involved in burning.

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  • 18. 

    The molecules in a liquid are ____________.

    • Spread far apart

    • Packed closely together

    • Spread apart

    Correct Answer
    A. Spread apart
    Explanation
    The molecules in a liquid are spread apart. In a liquid, the molecules have more freedom of movement compared to a solid, allowing them to move and flow past each other. While they are still close enough to interact with each other, they are not as tightly packed as in a solid. This spacing between molecules is what gives liquids their ability to flow and take the shape of their container.

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  • 19. 

    An atom's protons will always be found in the __________________.

    • Neutron

    • Nucleus

    • Shell

    Correct Answer
    A. Nucleus
    Explanation
    An atom's protons will always be found in the nucleus. The nucleus is the central part of an atom that contains the protons and neutrons. Protons are positively charged particles, and they are located in the nucleus along with the neutrons. The electrons, which are negatively charged particles, are found in the electron shells surrounding the nucleus. Therefore, the correct answer is nucleus.

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  • 20. 

    The process of changing from solid water to a liquid is called _____________.

    • Boiling

    • Freezing

    • Melting

    Correct Answer
    A. Melting
    Explanation
    Melting is the correct answer because it refers to the process of changing a solid into a liquid by increasing its temperature. This occurs when the solid absorbs enough heat energy to break the bonds between its particles and transition into a liquid state. Boiling, on the other hand, is the process of changing a liquid into a gas, while freezing is the process of changing a liquid into a solid.

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  • 21. 

    The protons and neutrons in an atom are contained in the ______________.

    • Nucleus

    • Electron

    • Shell

    Correct Answer
    A. Nucleus
    Explanation
    The protons and neutrons in an atom are contained in the nucleus. The nucleus is the central part of an atom, consisting of protons and neutrons. It has a positive charge due to the presence of protons and is surrounded by electron shells, where the electrons are located. The nucleus is responsible for the majority of an atom's mass and determines the element to which the atom belongs.

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  • 22. 

    Which is NOT a common property of matter?

    • Mass

    • Energy

    • Volume

    Correct Answer
    A. Energy
    Explanation
    Energy is not a common property of matter because it is not an inherent characteristic of all forms of matter. While mass and volume are physical properties that can be measured and observed in any form of matter, energy is a separate entity that can be transferred or transformed but is not considered an inherent property of matter itself.

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  • 23. 

    On the periodic table, the elements are organized by ____________.

    • Atomic number

    • Atomic mass

    • Atomic symbol

    Correct Answer
    A. Atomic number
    Explanation
    The elements on the periodic table are organized by their atomic number. The atomic number of an element represents the number of protons in the nucleus of its atoms. This number determines the element's identity and its position on the periodic table. The arrangement of elements by atomic number allows for a systematic organization that reflects the periodic trends in their properties. Atomic mass is not used for organizing the elements on the periodic table, although it is listed for each element. Atomic symbol refers to the abbreviation used to represent an element, but it is not the basis for organizing the elements on the table.

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  • 24. 

    The piece of an atom that has a negative charge is called the ____________.

    • Electron

    • Proton

    • Neutron

    Correct Answer
    A. Electron
    Explanation
    The piece of an atom that has a negative charge is called an electron. Electrons are subatomic particles that orbit the nucleus of an atom and carry a negative charge. They play a crucial role in chemical reactions and the behavior of atoms in various substances.

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  • 25. 

    The state of matter that takes the shape of the container it is put into is called ____________

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Liquid
    Explanation
    A liquid is the state of matter that takes the shape of the container it is put into. Unlike solids, which have a fixed shape, liquids are able to flow and adapt to the shape of their container. This property is due to the particles in a liquid being loosely packed and able to move around more freely compared to solids. Gases also take the shape of their container, but they have a much higher degree of freedom of movement and are not as tightly packed as liquids.

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  • 26. 

    When you change an object into a completely new object it is a ____________ change.

    • Physical

    • Chemical

    • Special

    Correct Answer
    A. Chemical
    Explanation
    When an object is changed into a completely new object, it implies that a chemical reaction has occurred. Chemical changes involve the rearrangement of atoms and molecules to form new substances with different properties. This is in contrast to physical changes, which do not result in the formation of new substances. Therefore, the correct answer is chemical.

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  • 27. 

    What has not changed since the Earth was formed?

    • Amount of air

    • Amount of water

    • Amount of matter

    Correct Answer
    A. Amount of matter
    Explanation
    The amount of matter has not changed since the Earth was formed because matter cannot be created or destroyed, only transformed or rearranged. The Earth has a finite amount of matter, which has been recycled and redistributed through various processes such as volcanic activity, erosion, and the water cycle. While the distribution and form of matter may have changed over time, the total amount remains constant.

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  • 28. 

    Atoms can combine with other types of atoms to form ____________.

    • Formulas

    • Molecules

    • Elements

    Correct Answer
    A. Molecules
    Explanation
    Atoms can combine with other types of atoms to form molecules. A molecule is a group of two or more atoms that are chemically bonded together. This bonding occurs through the sharing or transfer of electrons between atoms. Molecules can be made up of atoms of the same element or different elements. This process of combining atoms to form molecules is fundamental to chemistry and plays a crucial role in the formation of various compounds and substances.

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  • 29. 

    A fourth state of matter exists as a super charged, energy filled matter called __________

    • Electricity

    • Heat

    • Plasma

    Correct Answer
    A. Plasma
    Explanation
    Plasma is considered as the fourth state of matter because it is a super charged and energy filled matter. It is formed when a gas is heated to very high temperatures or when electrons are stripped away from atoms. Plasma consists of charged particles, such as ions and free electrons, which makes it electrically conductive. It is commonly found in stars, lightning, and fluorescent lights.

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  • 30. 

    The state of matter that fills all the available space it can is called _____________.

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Gas
    Explanation
    A gas is the state of matter that fills all the available space it can. Unlike solids and liquids, gases have particles that are not closely packed together and are free to move around. This allows gases to expand and fill the entire volume of a container.

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  • 31. 

    The measurement of the amount of matter that exists is called the _______________.

    • Mass

    • Volume

    • Inertia

    Correct Answer
    A. Mass
    Explanation
    Mass is the measurement of the amount of matter that exists. It represents the quantity of matter in an object and is often measured in units such as kilograms or grams. Mass is different from weight, as weight is the force exerted on an object due to gravity. Inertia is the tendency of an object to resist changes in its motion, and volume is the amount of space occupied by an object. Therefore, the correct answer is mass.

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  • 32. 

    The fact that matter cannot be created or destroyed is known as the ______________.

    • Conservation of energy

    • Conservation of mass

    • Conservation of volume

    Correct Answer
    A. Conservation of mass
    Explanation
    The correct answer is conservation of mass. This principle states that the total mass of a closed system remains constant over time, regardless of any physical or chemical changes that may occur within the system. This means that while matter can undergo various transformations, such as changing states or undergoing chemical reactions, the total amount of matter present remains unchanged. This concept is a fundamental principle in physics and chemistry.

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  • 33. 

    Matter cannot move without an outside force because of ____________.

    • Mass

    • Volume

    • Inertia

    Correct Answer
    A. Inertia
    Explanation
    Inertia is the property of matter that resists any change in its state of motion. It is the tendency of an object to stay at rest or continue moving at a constant velocity unless acted upon by an external force. This means that without an outside force, matter will not change its motion, whether it is at rest or in motion. Therefore, matter cannot move without an outside force due to inertia.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 03, 2009
    Quiz Created by
    Jsawyer5078
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