Earth and Space Science Overview

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What causes day and night on Earth?
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Day and night are caused by the Earth's rotation on its axis.
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What is the largest planet in our solar system?
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Jupiter is the largest planet in our solar system.
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Why do we have seasons on Earth?
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Seasons are caused by the tilt of the Earth's axis as it orbits the Sun.
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What is the Earth's core made of?
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The Earth's core is made primarily of iron and nickel.
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How are stars formed?
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Stars form from collapsing clouds of gas and dust called nebulae.
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What is the Milky Way?
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The Milky Way is the galaxy that contains our solar system.
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What is plate tectonics?
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Plate tectonics is the theory that Earth's outer shell is divided into plates that move over the mantle.
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How do eclipses occur?
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Eclipses occur when one celestial body moves into the shadow of another.
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Why do tides happen?
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Tides are caused by the gravitational pull of the moon and the sun on Earth's oceans.
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What is the water cycle?
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The water cycle describes the continuous movement of water on, above, and below the surface of the Earth.
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What is an ecosystem?
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An ecosystem is a community of living organisms interacting with their environment.
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What is the function of the atmosphere?
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The atmosphere protects life on Earth by blocking harmful radiation and regulating temperature.
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How old is the Earth estimated to be?
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The Earth is estimated to be about 4.5 billion years old.
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What is an asteroid?
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An asteroid is a small rocky body orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter.
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Why do volcanoes erupt?
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Volcanoes erupt due to pressure from molten rock beneath the Earth's surface.
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