Forms of Energy

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What is mechanical energy?

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Mechanical energy is the energy that is used to do work, such as moving or lifting objects. It is the sum of potential energy and kinetic energy.

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What is thermal energy?

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Thermal energy is the energy that comes from heat. It helps to keep us warm and is produced by the movement of particles in matter.

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What is light energy?

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Light energy is the energy that we can see. It helps us see things around us and is produced by sources like the sun and light bulbs.

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What is sound energy?

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Sound energy is the energy that we hear. It is produced by vibrating objects and travels through air, water, or solids.

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What is electrical energy?

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Electrical energy is the energy that comes from electric charges. It powers our homes and devices.

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Give an example of mechanical energy.

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Turning the handle of a pencil sharpener is an example of mechanical energy.

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How does thermal energy help us in winter?

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Thermal energy helps us stay warm in the winter by providing heat.

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What helps us see in the dark?

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Light energy helps us see where we are going, especially in the dark.

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What type of energy do we use when pedaling a bike?

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We use mechanical energy when pedaling a bike.

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Which of the following is NOT an example of using light energy?

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Talking is not an example of using light energy.