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30 Cards in this Set
- Front
- Back
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Which of the following lists the relative size of the Earth, moon, sun, and solar system from smallest to largest ?
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Moon- Earth- sun- solar system
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Which of the following best describes a solar system?
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A star and its planets and moons
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The sun appears to rise each day because -
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the Earth rotates toward and away from the sun
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The reason Earth’s day is 24 hours long is -
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it takes Earth 24 hours to rotate on its axis
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The motion of Earth around the sun most ly affects the -
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cycle of the seasons
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Which of the following lists the relative size of the Earth, moon, sun, and solar system from smallest to largest ?
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Moon- Earth- sun- solar system
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Which of the following best describes a solar system?
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A star and its planets and moons
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The sun appears to rise each day because -
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the Earth rotates toward and away from the sun
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The reason Earth’s day is 24 hours long is -
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it takes Earth 24 hours to rotate on its axis
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The motion of Earth around the sun most ly affects the -
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cycle of the seasons
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The sun unevenly heats the Earth. The poles are cold and the equator is hot because -
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the sun hits the equator more directly
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The Earth, the other planets, and the sun are all part of the solar system. How is the sun different from other parts of the solar system?
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The sun produces most of the heat and light in our solar system.
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The moon revolves around -
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the Earth
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The rotation of the Earth on its axis causes -
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day and night
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One full spin of an object on its axis is called -
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a rotation
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How long does it take for the Earth to revolve around the sun?
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365 days
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All planets are held in orbit by -
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gravity
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How long does it take for the Earth to rotate on its axis, creating day and night?
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24 hours
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Sometimes the sun lights up half of the moon. What is this phase of the moon called?
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A quarter moon
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When no moon is visible in a clear sky, this is called -
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a new moon
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When the moon is seen from the Earth as a whole circle, it is called -
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a full moon
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The path an object takes as it revolves around another object is called -
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an orbit
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Which Egyptian astronomer of Greek descent believed that the planets and the sun orbited the Earth?
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Ptolemy
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Who first introduced the idea that the Earth and planets revolve around the sun?
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Copernicus
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On Earth, the poles are cold and the equator is hot because -
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the sun hits the equator more directly
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When the Earth is seen from outer space, it looks mainly blue. This is because most of the Earth is covered with —
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oceans
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About 400 years ago, Galileo became the first person to record what the moon looked like through a telescope. He was able to tell that the moon had —
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many craters
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If the earth moved farther away from the sun, which of these would probably happen?
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There would be colder weather.
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How is the Earth different from all of the other planets?
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It has a breathable atmosphere.
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Our moon revolves around -
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the Earth
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