Conservation of Energy

What is energy conversion?

• Process of converting matter into energy.

• Process of changing one form of energy into another form.

• Process of transferring energy from one object to another.

• Process of storing energy in a battery.

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Give an example of energy conversion from potential energy to kinetic energy.

• Ball dropped from a height

• A wind turbine converting wind energy into electrical energy.

• A person jumping off a diving board.

• A car accelerating downhill.

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The process in which one kind of energy changes into another kind is called energy ______________

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Explain the law of conservation of energy.

• Energy can be both created and destroyed.

• Energy can be destroyed but not created.

• Energy can be created but not destroyed.

• Energy cannot be created or destroyed, only transformed.

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What are the different forms of energy?

• thermal energy, electrical energy, magnetic energy, sound energy, radiant energy, solar energy, and wind energy.

• kinetic energy, sound energy, gravitational energy, light energy, radiant energy, solar energy, and wind energy.

• mechanical energy, thermal energy, chemical energy, electrical energy, electromagnetic energy, nuclear energy, and potential energy

• mechanical energy, thermal energy, chemical energy, electrical energy, electromagnetic energy, nuclear energy, and kinetic energy.

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Describe the process of energy transformation in a light bulb.

• Mechanical energy to light energy and sound energy.

• Electrical energy to light energy and heat energy

• Chemical energy to light energy and heat energy.

• Electrical energy to sound energy and kinetic energy.

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What is the principle of energy conservation?

• Energy cannot be created or destroyed, only transferred or transformed.

• Energy can be created but not destroyed.

• Energy can be destroyed but not created.

• Energy can be both created and destroyed.

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Give an example of energy conversion in a roller coaster ride.

• Kinetic energy to potential energy.

• Mechanical energy to thermal energy.

• Potential energy to kinetic energy

• Potential energy to gravitational energy.

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Explain the concept of potential energy.

• Potential energy is the energy possessed by an object due to its color.

• Potential energy is the energy possessed by an object due to its temperature.

• Potential energy is the energy possessed by an object due to its motion.

• Potential energy is the energy possessed by an object due to its position or condition.

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How does energy transformation occur in a hydroelectric power plant?

• Potential energy of water is converted to electrical energy

• Chemical energy of water is converted to electrical energy.

• Thermal energy of water is converted to electrical energy.

• Kinetic energy of water is converted to electrical energy.

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