4th Grade Twig Science Module 2 Energy

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What is energy?

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Energy is the ability to do work or cause change. It can exist in different forms, such as heat, light, and motion.

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What is the main source of energy for Earth?

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The Sun is the main source of energy for Earth, providing light and heat.

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What happens to energy when sunlight hits an object?

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Energy from the Sun transfers to the object, warming it up.

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What is a solar shower?

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A solar shower is an outdoor shower that uses energy from the Sun to heat water.

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What does it mean to transfer energy?

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To transfer energy means to move energy from one object or place to another.

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What is a fair test in an experiment?

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A fair test is an experiment where only one variable is changed at a time to ensure accurate results.

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What is an example of energy transfer from water?

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When water flows over a dam, it transfers energy to turn turbines and generate electricity.

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What is wind energy?

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Wind energy is the energy obtained from the movement of air, which can be used to generate electricity.

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How does energy from the Sun affect weather?

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Energy from the Sun heats the Earth's surface, causing air to rise and creating wind and weather patterns.

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What is the difference between renewable and non-renewable energy?

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Renewable energy comes from sources that can be replenished, like solar and wind, while non-renewable energy comes from sources that can run out, like fossil fuels.