Types of Energy

Liam, Noah, and Arjun were discussing about their science project. Liam asked, 'What is energy?' Noah said it's the capacity to store heat, Arjun said it's the result of chemical reactions, but Arjun's elder brother said something else. Can you guess what he said?

• Energy is the capacity to store heat.

• Energy is the result of chemical reactions.

• Energy is the measurement of mass.

• Energy is the ability to do work or cause change.

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Liam, Hannah, and Oliver are studying for their physics exam. They are discussing the different forms of energy. Liam says there are kinetic energy, sound energy, gravitational energy, light energy, magnetic energy, radiant energy, and elastic energy. Hannah thinks it's solar energy, wind energy, geothermal energy, hydroelectric energy, tidal energy, and biomass energy. Oliver believes it's potential energy, kinetic energy, sound energy, light energy, electrical energy, and nuclear energy. However, their teacher told them it's mechanical energy, thermal energy, chemical energy, electrical energy, electromagnetic energy, nuclear energy, and potential energy. Who is correct?

• kinetic energy, sound energy, gravitational energy, light energy, magnetic energy, radiant energy, and elastic energy.

• solar energy, wind energy, geothermal energy, hydroelectric energy, tidal energy, and biomass energy.

• potential energy, kinetic energy, sound energy, light energy, electrical energy, and nuclear energy.

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

Ethan, Emma, and Charlotte are conducting an experiment. They are trying to understand a type of energy that is derived from the movement of something. They are not sure what it is. Can you help them identify this energy?

• Energy derived from the movement of heat particles.

• Energy derived from the movement of electric charges.

• Energy derived from the movement of sound waves.

• Energy derived from the movement of magnetic charges.

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Maya, Ava, and Avery are planning a sleepover. They want to watch a movie, but the room is dark. What should they use to convert electrical energy into light?

• light bulb

• washing machine

• refrigerator

• television

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Abigail, Ethan, and Avery are working on a science project about energy sources. They are discussing the different sources of electrical energy. Can you help them identify the correct sources?

• Coal, natural gas, oil, and biomass.

• Fossil fuels, nuclear power, renewable energy sources, and batteries.

• Solar power, wind power, hydroelectric power, and geothermal energy.

• Hydrogen fuel cells, tidal power, and wave power.

Isla is sitting at the top of a hill with her sled. Priya says that Isla has potential energy. What does Priya mean by potential energy?

• Energy that Isla possesses due to her sled's motion.

• Energy that Isla possesses due to her position at the top of the hill.

• Energy that Isla possesses due to the temperature of the hill.

• Energy that Isla possesses due to the color of her sled.

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Avery, Daniel, and Evelyn are playing in a park. Avery sees a book on a high shelf in the park library, Daniel sees a compressed spring in a toy, and Evelyn sees a stretched rubber band in a slingshot. Which of these is an example of potential energy?

• Daniel's compressed spring.

• Avery's book on a shelf.

• Evelyn's stretched rubber band.

• A moving car.

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Lily, Evelyn, and Benjamin were discussing about their science project. Lily said, 'When I was riding my bicycle, I felt some kind of energy. What is that energy called when an object is in motion?'

• The energy possessed by an object due to its temperature.

• The energy possessed by an object due to its shape.

• The energy possessed by an object due to its motion.

• The energy possessed by an object due to its position.

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Sophia and Daniel are having a debate. Sophia says a moving car is an example of kinetic energy. Is she correct?

• Yes, a moving car is an example of kinetic energy

• No, a burning candle is an example of kinetic energy

• No, a falling object is an example of kinetic energy

• No, a running athlete is an example of kinetic energy

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Arjun, Aiden, and Priya are working on a science project. They are trying to understand how electrical energy is converted into other forms of energy. Can you help them understand this?

• They can observe a car engine, a falling apple, and a nuclear power plant.

• They can experiment with a generator (electromagnetic induction), a battery (chemical reactions), and a toaster (thermal conversion).

• They can observe a speaker (sound waves), a moving car (kinetic energy), and a light bulb (light emission).

• They can experiment with rubbing hands together (friction), a compass (magnetic fields), and a stretched rubber band (elastic potential).