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| to spin around an imaginary axis |
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| to move in a circular or nearly circular path around something else |
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| the path an object follows as it revolves |
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| a real or imaginary line that a spinning object turns around |
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| the hollow area or pit in the ground (most planets and moons have them) |
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| a natural object (like a planet or moon) that orbits another larger object |
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| an object launched into space to orbit around the earth |
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| an instrument that enlarges objects so scientists can study space |
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| a hot sphere of gases that gives off energy (heat and light) |
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| a pattern or picture outlined by stars |
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| chunks of ice or other material that move in long, narrow orbits |
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| chunks of rock or metal that orbit the Sun |
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| a fragment of rock, ice, or metal that burns up in Earth’s atmosphere |
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| Why do we have day and night? |
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| Because Earth rotates on it's axis |
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| Planets are different from stars because? |
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| Stars give off energy and they produce light |
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| The system that contains the sun and the objects that orbit around it is called the |
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| They have atmospheres and orbit the sun. |
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| Mercury, Earth, Venus and Mars |
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| The inner planets, planets closests to the Sun |
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| the planet closest to the Sun, it has a very hot side and a very cold side |
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| The hottest planet in the solar system |
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| Venus 's atmosphere is made up of mostly |
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| Why is Venus the hotest planet? |
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| because it's atmposhoere is made up of mostly of carbon dioxide which traps heat. |
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| The only planet that we know can support life |
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| Why is Earth the only planet that we know of that can support life? |
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| protective atmoshphere and right position in the solar system |
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| Stars are different colors because they are different ____? |
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| Earth is the ___ planet from the Sun? |
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| only natural satelite of the Earth is ____? |
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| are instruments which send pictures back to Earth |
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| The four closets planets to the Sun |
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| planets in the Solar System beyond the asteroid belt |
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| The surface of most planets and moons are covered with hollow areas called ____ |
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| The planet covered in iorn oxide(rust) |
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| brightness of a star as seen from Earth is ____ |
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| Planets with Rings include |
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| their light looks different from planets in the sky because their light twinkles |
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| We see the sun rise and set because |
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| Earth rotates on its axis |
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| have the same season all year long |
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| What would happen to the seasons if Earth's axis were not tilted? |
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| Jupiter, Saturn, Uranus, Neptune |
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| planets are dark, cold, have rings and many moons |
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| The largest planet in the solar system |
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| because it rotates on such a tilted axis, _____ looks as if it's lying on it's side |
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| Planet farthest from the Sun |
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| When a meteor hits the Earth is is called a ________ |
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| During the daytime the Earth you are on is facing the ____- |
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| during nighttime the part of Earth you are on is facing |
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