Solar System 5.8C STAAR review flashcard

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What is the solar system?

Back

The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, and comets, that are bound by gravity.

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What causes day and night on Earth?

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Day and night are caused by the rotation of the Earth on its axis. When one side of the Earth faces the Sun, it experiences daytime, while the opposite side experiences nighttime.

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What is the role of the Sun in the solar system?

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The Sun is the central star of the solar system and provides light and heat, which are essential for life on Earth.

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What is Earth's rotation?

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Earth's rotation is the spinning of the planet on its axis, which takes approximately 24 hours to complete one full turn.

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What is the difference between rotation and revolution?

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Rotation refers to the spinning of an object around its own axis, while revolution refers to the movement of an object around another object, such as Earth's revolution around the Sun.

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What are the four seasons?

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The four seasons—spring, summer, autumn, and winter—are caused by the tilt of Earth's axis and its orbit around the Sun.

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What is a model of the solar system?

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A model of the solar system is a representation that shows the positions and movements of the Sun, planets, and other celestial bodies.

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How does the position of the Sun change throughout the day?

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The position of the Sun appears to change due to Earth's rotation, making it seem like the Sun moves across the sky from east to west.

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What is the cycle of day and night?

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The cycle of day and night is the regular pattern of light and darkness caused by Earth's rotation on its axis.

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What are moon phases?

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Moon phases are the different appearances of the Moon as it orbits Earth, caused by the changing angles of sunlight on the Moon's surface.