energy transformations

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?

• Mechanical to chemical to electrical
• Chemical to sound to electrical
• Chemical to electrical to sound
• Electrical to heat to sound

Which of these is an example of light energy being transformed into chemical energy?

• A glow stick lights up when broken.
• Water heated by the sun evaporates.
• A plant makes sugar in the sunlight.
• A battery causes a buzzer to vibrate.

The picture showing the energy conversion

Chemical → heat

is:

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The picture showing the energy conversion

Light → chemical

is:

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The picture showing the energy conversion

Chemical → light & heat

is:

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What do we call a change from one form of energy to another?

• Energy change

• Energy transformation

• Energy creation

Kinetic Energy of wind is transferred to _____ Energy in a windmill.

• Solar

• Mechanical

• Electrical

• Potential