1) A huge ball of glowing gas, such as the sun. a) gravity b) axis c) star d) planet 2) A ball of ice and rock with a tail of light that moves around the sun a) Asteroid b) Comet c) Moon d) Planet 3) The force that attracts one mass to another a) Satellite b) Atmosphere c) Star d) Gravity 4) All the gasses that surround a planet a) Atmosphere b) Star c) Gravity d) Comet 5) A small object that travels around a larger object such as a planet. A moon is an example of this a) Comet b) Planet c) Satellite d) Star 6) A celestial body which orbits the Sun, has sufficient mass, and is not a moon, and is held in place by gravitational pull a) Star b) Planet c) Moon d) Satellite 7) Imaginary line that passes through the north and south pole a) Axis b) Equator c) Latitude d) International Date Line 8) A ring-shaped area separating the inner and outer planets and contains many rocky bodies a) Saturn b) Orbit c) Asteroid Belt d) Star 9) Equal hour of daylight and darkness. It happens in the spring and fall. a) Solstice b) Equinox c) Summer d) Winter 10) The path a planet takes as it travels around the sun or that a spaceship can take in space a) Planet b) Axis c) Comet d) Orbit 11) To spin on an axis. It takes earth 24 hours to spin on its axis in one day. a) Revolution b) Rotation c) Gravity d) Orbit 12) Day with the greatest amount of light a) Solstice b) Orbit c) Atmosphere d) Equinox

Space Vocabulary

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