Energy Transformations reading and questions

What is an example of energy transformation in a car engine?

• Chemical energy to light energy

• Electrical energy to heat energy

• Chemical energy to mechanical energy

• Potential energy to kinetic energy

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What type of energy transformation occurs when you eat food?

• Electrical energy to light energy

• Chemical energy to mechanical energy

• Potential energy to kinetic energy

• Light energy to chemical energy

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What happens to electrical energy in a light bulb?

• It is transformed into chemical energy

• It is transformed into light and heat energy

• It is transformed into potential energy

• It is transformed into mechanical energy

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What type of energy does a roller coaster have at the top of a hill?

• Kinetic energy

• Light energy

• Potential energy

• Chemical energy

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What is the energy transformation when a roller coaster moves down a hill?

• Chemical energy to mechanical energy

• Potential energy to kinetic energy

• Electrical energy to light energy

• Light energy to chemical energy

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How do plants transform energy from the sun?

• Light energy to mechanical energy

• Light energy to chemical energy

• Chemical energy to light energy

• Electrical energy to heat energy

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What is the role of energy transformations in nature?

• They are not important

• They are crucial for life

• They only occur in machines

• They are only used in technology

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What is the significance of understanding energy transformations?

• It helps us waste energy

• It helps us appreciate the world and develop efficient technologies

• It is only useful for scientists

• It is not important for everyday life

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Which of the following is NOT an example of energy transformation?

• Chemical energy to mechanical energy

• Electrical energy to light energy

• Potential energy to kinetic energy

• Light energy to electrical energy

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Why do light bulbs get warm when they are on?

• Because they transform electrical energy into chemical energy

• Because they transform electrical energy into light and heat energy

• Because they transform potential energy into kinetic energy

• Because they transform light energy into electrical energy

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