Energy

How do percussion musicians make sound?

• They rub a string.

• They blow into a tube.

• They hit the instrument.

• They vibrate vocal cords

Which term means "how fast" and "direction?"

• collision

• movements

• speed

• velocity

What is part of mechanical energy?

• chemical

• kinetic

• electrical

• thermal

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What is an example of mechanical energy?

• lifting a book

• taking a nap

• photosynthesis

• remembering a fact

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Why does a larger object have more kinetic energy?

• it has more mass

• the speed is higher

• air pushes against it

• gravity does not affect it

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How is kinetic energy transferred?

• by electric current

• when heat is generated

• through collisions

• when solar energy is absorbed

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What type of energy is sound?

• Physical

• chemical

• nuclear

• thermal

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What creates sound?

• absorption

• potential energy

• electrical energy

• movement

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How does sound travel?

• through collision

• by wires

• by electricity

• through reflecting light

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An object cannot have both potential and kinetic energy.

• True

• False