Thermal Energy Transfer 5

What is true about energy in our environment?

• It can be created from nothing.

• It is only visible under special conditions.

• It can be transformed from one form to another.

• It is not necessary for living organisms.

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What happens when energy is transformed?

• It can only be transformed into heat.

• It increases in quantity.

• It changes form but the total amount remains constant.

• It disappears completely.

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What type of energy transformation occurs in a strummed ukulele?

• Chemical to sound

• Potential to kinetic

• Kinetic to sound

• Electrical to kinetic

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What energy transformation is seen when a light bulb is turned on?

• Electrical to light and heat

• Solar to electrical

• Mechanical to electrical

• Kinetic to potential

What happens when a match is struck?

• Electrical energy changes to light

• Sound energy transforms into heat

• Kinetic and chemical energy transform into light and heat

• Potential energy is converted to kinetic

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NGSS.MS-PS3-5

What transformation occurs when a bow and arrow is released?

• Kinetic to potential

• Elastic potential to sound

• Elastic potential to kinetic

• Chemical to kinetic

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How does an electric kettle transform energy when turned on?

• Electrical to thermal

• Chemical to electrical

• Mechanical to thermal

• Solar to thermal

What energy transformation is observed in a descending roller coaster?

• Kinetic to potential

• Electrical to mechanical

• Gravitational potential to kinetic

• Thermal to kinetic

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What occurs when an electric doorbell is pressed?

• Kinetic to electrical

• Potential to kinetic

• Electrical to kinetic and sound

• Chemical to electrical

During the use of a drill to secure a screw into wood, what transformation takes place?

• Chemical to mechanical

• Potential to chemical

• Electrical to kinetic

• Kinetic to potential

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