Podcast Beta
Questions and Answers
What is the main source of energy for the Earth?
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Which of the following is a non-renewable energy source?
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What is the force that pulls objects toward the Earth's center?
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What is the primary gas found in the Earth's atmosphere?
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Which of the following describes a physical change?
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Which of the following is a chemical change?
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What is the most abundant element in the Earth's crust?
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Which force is responsible for keeping the planets in orbit around the Sun?
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Which process is primarily responsible for the formation of clouds?
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What is the primary function of the roots in a plant?
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Which of these best describes the function of chloroplasts in plant cells?
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What is the function of the respiratory system in the human body?
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Which state of matter has neither a definite shape nor a definite volume?
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What type of energy transformation occurs in photosynthesis?
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Which layer of the Earth is made up of molten iron and nickel?
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Water boils at 100°C at sea level.
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Plants produce their own food through a process called photosynthesis.
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The Earth revolves around the Moon.
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Metals are good conductors of electricity.
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All living things are made up of cells.
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Describe what happens to water when it freezes.
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Explain why the Moon appears to change shape over the course of a month.
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List three examples of renewable energy sources.
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Name the three states of matter and provide an example of each.
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Explain the difference between a producer and a consumer in an ecosystem.
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Match the term to the correct definition:
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