What is the main source of energy for the Earth?

• The Moon

• Geothermal energy

• Nuclear reactions

• The Sun

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

Name one type of renewable energy.

• Nuclear energy

• Wind energy

• Natural gas

• Solar energy

What is kinetic energy?

• Kinetic energy is the energy released during a chemical reaction.

• Kinetic energy is the energy stored in an object at rest.

• Kinetic energy is the energy associated with an object's temperature.

• Kinetic energy is the energy of an object in motion.

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NGSS.HS-PS3-2

What is potential energy?

• Kinetic energy is the energy of motion.

• Potential energy is the energy associated with an object's temperature.

• Potential energy is the energy stored in an object due to its position or state.

• Potential energy is the energy released during a chemical reaction.

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NGSS.MS-PS3-2

How does energy transform from one form to another?

• Energy can only be created, not transformed.

• Energy remains constant and does not change forms.

• Energy is only transferred through physical movement.

• Energy transforms through processes like conversion and transfer.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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Give an example of energy transformation in a light bulb.

• Electrical energy is transformed into light energy and thermal energy in a light bulb.

• Nuclear energy is transformed into kinetic energy in a light bulb.

• Chemical energy is transformed into sound energy in a light bulb.

• Mechanical energy is transformed into gravitational energy in a light bulb.

What type of energy is stored in food?

• Nuclear energy

• Chemical energy

• Thermal energy

• Kinetic energy

What happens to potential energy when an object falls?

• Potential energy is converted into thermal energy when the object falls.

• Potential energy decreases and is converted into kinetic energy when an object falls.

• Potential energy remains constant during the fall.

• Potential energy increases as the object falls.

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NGSS.MS-PS3-2

What is an example of kinetic energy in everyday life?

• A stationary rock

• A parked bicycle

• A frozen lake

• A moving car

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NGSS.MS-PS3-1

How can we convert solar energy into electricity?

• Wind turbines generate electricity from solar energy.

• Hydroelectric dams convert sunlight into electricity.

• Solar panels convert sunlight into electricity.

• Geothermal energy is harnessed from solar power.

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NGSS.HS-PS3-3