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  • When you hook up a battery to a complete circuit, what flows through the wires from one pole of the battery to the other?

    Heat
    Electricity
    Light
    Sound


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    created by State of Oregon


  • Eduardo pours himself a glass of cola with ice in it. Identify which objects are solid, liquid, and gas.

    The cola is the solid, the ice is the liquid, and the bubbles are the gas.
    The ice is the solid, the bubbles are the liquids, and the cola is the gas.
    The bubbles are the solids, the cola is the liquid, and the ice is the gas.
    The ice is the solid, the cola is the liquid, and the bubbles are the gas.


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    created by State of Oregon


  • Leshawna used the same force in the same way to push on three boxes. The boxes weighed 3 kg, 5 kg, and 10 kg. Which box moved most quickly, and which moved most slowly?

    The 10 kg box moved most quickly; the 3 kg box moved most slowly.
    The 5 kg box moved most quickly; the 10 kg box moved most slowly.
    The 10 kg box moved most quickly; the 5 kg box moved most slowly.
    The 3 kg box moved most quickly; the 10 kg box moved most slowly.


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    created by State of Oregon


  • PAPER CLIP ELECTROMAGNETS Rachel made four electromagnets by winding coils of copper wire around a nail. She connected each end of the wire to a battery to form an electromagnet which she used to pick up paper clips. In this experiment, what kind of energy is changed directly into magnetic energy?

    Heat energy
    Electrical energy
    Chemical energy
    Light energy


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    created by State of Oregon


  • The two magnets were placed near each other on a table top. Which statement about the magnetic force of these two magnets is true?

    The two magnets will be attracted to each other.
    The two magnets will repel each other.
    There will be no force between the magnets.
    The magnetic force will change the magnets.


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    created by State of Oregon


  • CHANGING STATES What change of state is shown?

    Liquid to gas
    Solid to gas
    Gas to liquid
    Solid to liquid


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    created by State of Oregon


  • Which energy change is usually made directly?

    Sound to light
    Mechanical to nuclear
    Light to heat
    Sound to electrical


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    created by State of Oregon


  • Look at the diagram. Each circle shows one state of matter. The arrows show ways that matter might change state. For example, arrow 2 shows that matter can change from a liquid to a gas. A pan of water boiling on a stove would match arrow 2. Heating a substance almost never causes the change shown by arrow

    1
    2
    3
    4


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    created by State of Oregon


  • You want to measure the volume of a rock. The best way to do this is with

    a ruler, water and a balance.
    a beaker and water.
    a beaker, a hot plate and water.
    a beaker, a graduated cylinder and water.


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    created by State of Oregon


  • A small ball is dropped down one end of a pipe. When air is blown in from the opposite end, the ball stops in the pipe. Which is a probable explanation?

    The pipe fills with air which will keep anything from falling through it.
    Gravity’s pull is less inside the pipe than outside the pipe.
    The ball is made of very lightweight plastic.
    The force of the air on the ball balances the pull of gravity.


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    created by State of Oregon


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