When you turn on a light bulb, what type of energy transformation takes place?

• A) Electrical energy to sound energy

• B) Electrical energy to light and heat energy

• C) Light energy to electrical energy

• D) Heat energy to electrical energy

According to the passage, what does the transformation of electrical energy into light and heat energy help us do?

• It helps us see in the dark and keeps our homes warm.

• It helps us cook food faster.

• It helps us travel long distances quickly.

• It helps us store food for longer periods.

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What type of energy transformation occurs in a toaster?

• A toaster transforms electrical energy into heat energy to toast bread.

• A toaster transforms mechanical energy into light energy to toast bread.

• A toaster transforms chemical energy into sound energy to toast bread.

• A toaster transforms solar energy into kinetic energy to toast bread.

Energy transformation is important in our daily lives because it allows us to use energy in different forms for various activities.

• It allows us to use energy in different forms for various activities.

• It prevents energy from being used at all.

• It makes energy disappear completely.

• It only benefits machines, not humans.

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What is the law of conservation of energy?

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2. Explain what the law means when it says that energy cannot be created

or destroyed.

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How does the law of conservation of energy relate to potential and kinetic energy?

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