Ch. 3 Energy

The ability to cause change is called

• energy

• state

• atoms

• mass

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Which of these is a form of electromagnetic energy?

• noise

• light

• food

• motion

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Lori has the most kinetic energy when she is

• riding a bicycle

• walking slowly

• standing on the roof

• sitting in a chair

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The energy stored in food is a form of

• kinetic energy

• potential energy

• thermal energy

• electromagnetic energy

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Which type of energy is stored in the nucleus of atoms?

• electrical energy

• solar energy

• nuclear energy

• sound energy

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An automobile changes energy into different forms. The total amount of energy does not change due to the

• measure of energy efficiency

• law of conservation energy

• concept of kinetic energy

• law of conservation of matter

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Chris's new clothes dryer is more energy efficient thant his old one. This means that it

• dries fewer clothes at a time

• loses a lower percentage of energy to unwanted forms

• loses a higher percentage of energy to unwanted forms

• needs more energy to dry clothes

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Sunlight is changed into electric energy by a

• nuclear battery

• chemical battery

• solar cell

• thermal cell

In many energy conversions, the largest amount of wasted energy often ends up as

• sound

• heat

• matter

• light

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When a rock falls from a cliff potential energy changes into

• electromagnetic energy

• nuclear energy

• chemical energy

• kinetic energy

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