Physical Science - Part I

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Physical Science Quizzes & Trivia

Physical Science
6 weeks Test
Part I


Questions and Answers
  • 1. 

    Which of the following is NOT a physical property?

    • A.

      Sight

    • B.

      Color

    • C.

      Bases

    • D.

      Length

    Correct Answer
    C. Bases
    Explanation
    Bases are not a physical property because they refer to a class of chemical compounds that have specific chemical properties, such as being able to accept protons or donate pairs of electrons. Physical properties, on the other hand, describe the characteristics of a substance that can be observed or measured without changing its chemical composition, such as sight, color, and length.

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  • 2. 

    Which of the following is the shortest measurement?

    • A.

      Millimeter

    • B.

      Centimeter

    • C.

      Meter

    • D.

      Kilometer

    Correct Answer
    A. Millimeter
    Explanation
    The millimeter is the shortest measurement among the options given. A millimeter is equal to one thousandth of a meter, making it smaller than a centimeter, meter, and kilometer. It is commonly used for very small measurements, such as the thickness of paper or the size of small objects.

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  • 3. 

    _________ is a temporary magnet that can be turned on and off.

    • A.

      Electricitymagnet

    • B.

      Electionmagnet

    • C.

      Elevatedmagnet

    • D.

      Electromagnet

    Correct Answer
    D. Electromagnet
    Explanation
    An electromagnet is a temporary magnet that can be turned on and off. It is created by passing an electric current through a coil of wire, which generates a magnetic field. When the current is turned off, the magnetic field disappears. This ability to control the magnetism makes electromagnets useful in various applications such as electric motors, speakers, and magnetic locks.

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  • 4. 

    What kind of energy do we get from the sun?

    • A.

      Icy

    • B.

      Factored

    • C.

      Polar

    • D.

      Solar

    Correct Answer
    D. Solar
    Explanation
    The correct answer is "solar." Solar energy refers to the energy that is obtained from the sun. It is a renewable source of energy and is harnessed through various technologies such as solar panels and solar thermal systems. Solar energy is converted into electricity or used for heating purposes. It is a clean and sustainable form of energy that is abundant and widely available.

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  • 5. 

    Electricl energy can be changed into heat energy.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Electrical energy can indeed be converted into heat energy through various processes. When an electric current passes through a resistive element such as a heating coil or a resistor, it encounters resistance which causes the electrical energy to be converted into heat energy. This principle is widely used in electric heaters, stoves, and other heating appliances. Additionally, electrical energy can also be converted into heat energy through processes such as joule heating, where the resistance of a material causes it to heat up when an electric current passes through it. Therefore, the statement "Electric energy can be changed into heat energy" is true.

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  • 6. 

    Light travels the fastest through a ________.

    • A.

      Vacuum

    • B.

      Solid

    • C.

      Liquid

    • D.

      Gas

    Correct Answer
    A. Vacuum
    Explanation
    Light travels the fastest through a vacuum because a vacuum is an empty space devoid of any particles or molecules. In other mediums such as solids, liquids, and gases, light interacts with the particles and molecules, causing it to slow down. However, in a vacuum, there are no particles to obstruct or interact with the light, allowing it to travel at its maximum speed.

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  • 7. 

    Which of the following is NOT a conductor?

    • A.

      Steel

    • B.

      Wood

    • C.

      Copper

    • D.

      Iron

    Correct Answer
    B. Wood
    Explanation
    Wood is not a conductor of electricity. Unlike steel, copper, and iron, wood does not have free electrons that can carry an electric current. Wood is an insulator, meaning it does not allow the flow of electricity through it. This is why wood is often used as an insulating material in electrical applications to prevent the risk of electric shocks or short circuits.

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  • 8. 

    ___________ is the field around a magnet.  You can not see it, but you can see its effects.

    • A.

      Spark field

    • B.

      Baseball field

    • C.

      Attraction field

    • D.

      Magnetic field

    Correct Answer
    D. Magnetic field
    Explanation
    A magnetic field is the area surrounding a magnet where its influence or effects can be observed. It is not visible to the naked eye, but its presence can be detected through the interaction with other magnetic objects or the movement of charged particles.

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  • 9. 

    Which of the following is an example of a concave lens?

    • A.

      Glasses

    • B.

      Hand lens

    • C.

      Telescope

    • D.

      Microscope

    Correct Answer
    C. Telescope
    Explanation
    A telescope is an example of a concave lens because it uses a concave lens to diverge light rays and create a magnified image. The concave lens in a telescope causes the light rays to spread out, allowing the viewer to see distant objects more clearly. This is different from the other options, such as glasses, hand lens, and microscope, which typically use convex lenses to converge light rays and magnify or correct vision.

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  • 10. 

    What happens when electrons move from one object to another object and stick onto the second object?

    • A.

      Static electricity

    • B.

      Moving electricity

    • C.

      Adaptable electricity

    • D.

      Stationary electricity

    Correct Answer
    A. Static electricity
    Explanation
    When electrons move from one object to another and stick onto the second object, it creates static electricity. Static electricity is the imbalance of electric charges on the surface of objects, resulting in the buildup of electrical potential energy. This can cause objects to attract or repel each other, and can also result in the discharge of a spark or shock when the accumulated charge is released.

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  • 11. 

    Which of the following describes a solid?

    • A.

      Packed loosely together

    • B.

      Flow and slide past each other

    • C.

      Packed tightly together in straight rows

    • D.

      Used in flourescent lights

    Correct Answer
    C. Packed tightly together in straight rows
    Explanation
    A solid is a state of matter where the particles are tightly packed together in a regular pattern or arrangement. This means that the particles are not able to move freely and are held in place. The fact that they are arranged in straight rows indicates a high degree of organization and structure. This is in contrast to the other options which describe the properties of liquids (flow and slide past each other) or gases (packed loosely together). The mention of fluorescent lights in one of the options is irrelevant to the question and does not describe a solid.

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  • 12. 

    What would it take for matter to move from one state to another?

    • A.

      Energy

    • B.

      Matter

    • C.

      Help

    • D.

      This is impossible

    Correct Answer
    A. Energy
    Explanation
    Matter can change from one state to another through the input or removal of energy. This energy can be in the form of heat, light, or mechanical work. When energy is added or removed, the arrangement and movement of particles within the matter change, causing it to transition from one state (solid, liquid, or gas) to another. Matter itself cannot cause this change; it requires an external source of energy.

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  • 13. 

    Which of the following is an insulator?

    • A.

      Iron

    • B.

      Plastic

    • C.

      Steel

    • D.

      Metal

    Correct Answer
    B. Plastic
    Explanation
    Plastic is an insulator because it does not conduct electricity easily. Unlike metals such as iron, steel, and other types of metal, plastic has high electrical resistance. This means that it does not allow the flow of electric current through it. Plastic is commonly used as an insulating material in electrical wires and cables to prevent the risk of electric shocks and short circuits.

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  • 14. 

    Sound is produced by ________________.

    • A.

      Staring

    • B.

      Talking

    • C.

      Plugging in the radio

    • D.

      Vibrations

    Correct Answer
    D. Vibrations
    Explanation
    Sound is produced by vibrations. When an object vibrates, it creates disturbances in the surrounding air particles. These disturbances travel through the air in the form of sound waves, which are then detected by our ears. Therefore, vibrations are responsible for the production of sound.

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  • 15. 

    Which measurement would you use to find the length of our classroom?

    • A.

      Kilometer

    • B.

      Meter

    • C.

      Centimeter

    • D.

      Millimeter

    Correct Answer
    B. Meter
    Explanation
    To find the length of our classroom, we would use the measurement of meters. Meters are commonly used to measure larger distances, such as the size of a room or a building. Kilometers are used for even larger distances, such as the length of a road or the distance between cities. Centimeters and millimeters are used for smaller measurements, such as the length of a pencil or the thickness of a piece of paper. Therefore, meters would be the most appropriate measurement to determine the length of our classroom.

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  • 16. 

    How many volts are in the average wall outlet plug?

    • A.

      1.5 volts

    • B.

      150 volts

    • C.

      1.20 volts

    • D.

      120 volts

    Correct Answer
    D. 120 volts
    Explanation
    The average wall outlet plug typically has 120 volts. This is the standard voltage in most homes in the United States. It is important to note that the voltage may vary in different countries or regions.

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  • 17. 

    Refraction means to ____________.

    • A.

      Bend light as it moves from one material to another

    • B.

      Bounce light from the ceiling to the floor

    • C.

      Cut the light with a laser beam

    • D.

      Find light in an unexpected place

    Correct Answer
    A. Bend light as it moves from one material to another
    Explanation
    Refraction refers to the phenomenon of light bending as it transitions from one material to another. This occurs due to the change in speed of light when it enters a different medium, causing it to change direction.

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  • 18. 

    Draw a picture of light reflecting off of an object at an ANGLE.

  • 19. 

    Name an object that is controlled by a switch.

  • 20. 

    Draw a closed circuit.  You must label ALL of the parts and show the direction of the flow of electrons.

  • 21. 

    What does the following picture show?

    • A.

      Small circuit

    • B.

      Half circuit

    • C.

      Short circuit

    • D.

      Burnt circuit

    Correct Answer
    C. Short circuit
    Explanation
    The picture shows a short circuit. A short circuit occurs when there is an unintended connection between two points in an electrical circuit, bypassing the normal load. This can lead to a sudden surge of current, potentially causing damage to the circuit and devices connected to it. The picture likely depicts a visible indication of a short circuit, such as sparks or smoke, or physical damage to the circuit components.

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  • 22. 

    Sunlight is _______ light.

    • A.

      Red

    • B.

      White

    • C.

      Blue

    • D.

      Violet

    Correct Answer
    B. White
    Explanation
    Sunlight is white light because it is composed of all the colors of the visible spectrum. When sunlight passes through a prism, it separates into different colors, showing that it contains all the colors. This phenomenon is known as dispersion. Our eyes perceive sunlight as white because the combination of all colors creates a white light.

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  • 23. 

    Sound moves the fastest through a _______.

    • A.

      Liquid

    • B.

      Solid

    • C.

      Cup

    • D.

      Gas

    Correct Answer
    B. Solid
    Explanation
    Sound moves the fastest through a solid because the particles in a solid are tightly packed and have strong intermolecular forces. This allows sound waves to propagate quickly through the solid, as the vibrations are easily transmitted from one particle to the next. In contrast, in liquids and gases, the particles are more spread out and have weaker intermolecular forces, making it more difficult for sound waves to travel through them. A cup is not a medium through which sound can travel, so it is not the correct answer.

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  • 24. 

    Which of the following would NOT be attracted to a magnet?

    • A.

      Another magnet

    • B.

      Rubber band

    • C.

      Your chair

    • D.

      Paperclip

    Correct Answer
    B. Rubber band
    Explanation
    Rubber bands are typically made of non-magnetic materials such as rubber or silicone. These materials do not contain any magnetic properties, so they are not attracted to magnets. In contrast, another magnet, a paperclip, and even your chair may contain magnetic materials or have magnetic properties, which would cause them to be attracted to a magnet.

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  • 25. 

    Which of the following is a chemical change?

    • A.

      Clothes drying in the sun

    • B.

      Making chocolate milk

    • C.

      Shooting off fireworks

    • D.

      Slicing bread

    Correct Answer
    C. Shooting off fireworks
    Explanation
    Shooting off fireworks is a chemical change because it involves a rapid release of energy through a chemical reaction. The fireworks contain various chemical compounds, such as gunpowder, that undergo a combustion reaction when ignited. This reaction produces heat, light, and gas, resulting in the explosion and colorful display seen in fireworks. This transformation of chemical substances into new substances with different properties is characteristic of a chemical change.

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  • 26. 

    When light is absorbed by an object, we say it____________.

    • A.

      Bounces back to your eye

    • B.

      Is soaked up the object

    • C.

      Lost its way

    • D.

      Falls to the ground in a puddle

    Correct Answer
    B. Is soaked up the object
    Explanation
    When light is absorbed by an object, it is soaked up by the object. This means that the object absorbs the light energy, causing it to be converted into a different form of energy or heat.

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  • 27. 

    Which would be the cooler shirt to wear on a hot day?

    • A.

      Maroon

    • B.

      Black

    • C.

      Red

    • D.

      White

    Correct Answer
    D. White
    Explanation
    White would be the cooler shirt to wear on a hot day because white reflects light and heat, while darker colors like maroon, black, and red absorb more heat. This means that white shirts will help to keep the body temperature lower and provide a more comfortable wearing experience in hot weather.

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  • 28. 

    The convex lens is __________________.

    • A.

      Thicker in the middle and makes things look bigger

    • B.

      The same width and makes things look bigger

    • C.

      Thinner in the middle and makes things look smaller

    • D.

      Thicker in the middle and makes things look closer

    Correct Answer
    A. Thicker in the middle and makes things look bigger
    Explanation
    A convex lens is thicker in the middle and makes things look bigger because it refracts light in a way that converges the light rays towards a focal point. This causes the image formed by the lens to be magnified, making objects appear larger. The thickness of the lens in the middle is what allows it to refract the light in this manner.

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  • 29. 

    Which of the following is a mixture?

    • A.

      Kool-aide

    • B.

      Lucky charms

    • C.

      Tea

    • D.

      Coffee

    Correct Answer
    B. Lucky charms
    Explanation
    Lucky charms is a mixture because it is composed of different ingredients, such as cereal pieces and marshmallows, combined together. It is not a pure substance but rather a blend of various components.

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  • 30. 

    Draw an open circuit.  You must label ALL of the parts and show the direction of the flow of electrons.

  • 31. 

    Which of the following describes a gas?

    • A.

      Takes the shape of the container it is in

    • B.

      Has its own shape

    • C.

      Flows

    • D.

      Spreads out to fill the entire space

    Correct Answer
    D. Spreads out to fill the entire space
    Explanation
    A gas is a state of matter that does not have a definite shape or volume. It takes the shape of the container it is in, meaning that it will expand or contract to fill the available space. Unlike solids or liquids, gases are able to flow and move freely. Additionally, gases have the ability to spread out to fill the entire space they are contained in, meaning that they will evenly distribute themselves throughout the container.

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  • 32. 

    Which state of matter moves the fastest?

    • A.

      Liquid

    • B.

      Solid

    • C.

      Coverage

    • D.

      Gas

    Correct Answer
    D. Gas
    Explanation
    Gas moves the fastest among the three states of matter because its particles have the highest energy and are not bound together in a fixed arrangement. The particles in a gas move freely and rapidly in all directions, colliding with each other and the walls of their container. This constant motion allows gas to spread out and fill any available space, making it the most mobile state of matter.

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  • 33. 

    When energy is added to a solid, you get a ______.

    • A.

      Plasma

    • B.

      Faster solid

    • C.

      Liquid

    • D.

      Gas

    Correct Answer
    C. Liquid
    Explanation
    When energy is added to a solid, the particles within the solid gain kinetic energy and start vibrating faster. As a result, the intermolecular forces holding the particles together weaken, and the solid undergoes a phase change to become a liquid. In the liquid state, the particles are still close together but have enough energy to move past each other, giving the substance a fixed volume but no fixed shape. Therefore, the correct answer is "liquid".

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  • 34. 

    When energy is taken out of a gas, you get a ______.

    • A.

      Mess

    • B.

      Liquid

    • C.

      Solid

    • D.

      Gasoline

    Correct Answer
    B. Liquid
    Explanation
    When energy is taken out of a gas, the gas molecules lose kinetic energy and slow down. As a result, the gas molecules come closer together and form bonds with each other, causing the gas to condense into a liquid state. Therefore, the correct answer is "liquid."

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  • 35. 

    Draw a SLG (Solid, Liquid, Gas) model.

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