Forms of Energy

Front

What is thermal energy and how does it help us?

Back

Thermal energy is the energy that comes from the temperature of matter. It helps us stay warm in the winter by transferring heat to our bodies.

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Front

What type of energy is produced by a computer screen?

Back

Light energy is produced by a computer screen, allowing us to see images and text.

Front

Define mechanical energy and give an example of its use.

Back

Mechanical energy is the sum of potential and kinetic energy in an object. An example is the energy used to pedal a bike.

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Front

What is light energy and how is it commonly used?

Back

Light energy is a form of energy that is visible to the human eye. It is commonly used in activities such as reading, seeing, and photosynthesis.

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NGSS.MS-LS1-6

Front

Identify an activity that does not use light energy.

Back

Talking does not use light energy.

Front

What is the difference between thermal energy and temperature?

Back

Thermal energy is the total energy of all the particles in an object, while temperature is a measure of the average kinetic energy of those particles.

Front

What are some common sources of thermal energy?

Back

Common sources of thermal energy include the sun, heaters, and burning fuels.

Front

Explain how mechanical energy is converted into other forms of energy.

Back

Mechanical energy can be converted into electrical energy through generators, or into thermal energy through friction.

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NGSS.HS-PS3-3

Front

What is the role of light energy in photosynthesis?

Back

Light energy is absorbed by plants and converted into chemical energy during photosynthesis, allowing them to produce food.

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NGSS.MS-LS1-6

Front

List three examples of using thermal energy in daily life.

Back

Examples include cooking food, heating a home, and taking a hot shower.

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