Regents Review #1 Earth Science

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What is the heliocentric model?

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The heliocentric model is an astronomical model in which the Sun is at the center of the solar system, and the planets, including Earth, revolve around it.

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What is the geocentric model?

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The geocentric model is an astronomical model that places Earth at the center of the universe, with the Sun, Moon, stars, and planets revolving around it.

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What causes the seasons on Earth?

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Seasons are caused by the tilt of Earth's axis and its orbit around the Sun, leading to varying angles of sunlight at different times of the year.

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What is an equinox?

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An equinox is an event in which day and night are approximately equal in length, occurring twice a year during spring and fall.

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What is a galaxy?

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A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

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What is a comet?

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A comet is a small celestial body made of ice, dust, and rocky material that, when passing close to the Sun, develops a glowing coma and tail.

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What is an asteroid?

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An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

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What is nuclear fusion?

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Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy, and is the process that powers stars.

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What is insolation?

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Insolation is the amount of solar radiation energy received on a given surface area during a given time.

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What is conduction?

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Conduction is the transfer of heat through a material without the movement of the material itself, typically occurring in solids.

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