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Review: Module 1- Matter and Energy

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    Exam Review for Module 1- Matter and Energy
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  • Describe what is happening in the picture.
    Chemical energy is changing to heat energy.
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  • Which point has the highest potential energy?
    A
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  • True or False Energy can be created, but not destroyed
    False
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  • True or False Energy can change forms.
    True
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  • What is kinetic energy?
    Energy in motion
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  • What is potential energy?
    Energy that is stored.
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  • At which point is the potential energy increasing? 1, 2, 3, 4, or 5
    4
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  • How does mass effect the potential energy of an object? a. lager mass=less potential energy b. larger mass=more potential energy c. smaller mass=more potential energy
    b. larger mass=more potential energy
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  • At which 2 points is the potential energy increasing in the marble diagram? 1 and 2 2 and 3 1 and 3 2 and 4
    2 and 4
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  • As a snowball is rolling down a hill, it is getting faster and faster. Which statement is true? a. potential energy changes to kinetic b. the snowball gains potential energy c. the snowball is gaining kinetic energy until it stops
    a. potential energy changes to kinetic
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  • At which point in time is the energy in a slingshot being converted to kinetic energy? a. when the rubber band is stretching b. when the rubber band is released c. when the rubber band is fully stretched
    b. when the rubber band is released
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  • Which of the following is an example of kinetic energy? a. a light bulb turned on b. a car parked at the top of the hill c. a battery connecting to a circuit d. a comet flying in space
    d. a comet flying in space
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  • What energy transformation is occurring in the diagram? a. chemical --> mechanical b. thermal --> kinetic c. mechanical --> thermal d. potential --> mechanical
    d. potential --> mechanical
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  • What type of energy is found in the propeller in BOTH diagrams? a. potential b. kinetic c. mechanical d. elastic
    c. mechanical
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  • A model of how food chains over lap
    Food Web
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  • breaks down decaying material in an ecosystem
    decomposer
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