Earth and Space Vocabulary Crossword Puzzle

QUESTIONS LIST:

• rotation : making a complete spin on an axis.
• moon : a natural satellite that orbits a planet; some planets have no moons; others have over 60 moons.
• craters : bowl-shaped indents or cavities on the surface of a planet, moon, or asteroid that are caused by a collision with another object such as a meteorite.
• revolution : making a complete turn or orbit around an axis or center.
• sun : the star at the center of our solar system that supplies heat and light to earth; its enormous gravity keeps the solar system in orbit.
• orbit : the path one object takes as it revolves around another object in space.
• earth : the planet that all known life exists on.
• atmosphere : the layer of gas surrounding planet earth; held in place by gravity and composed of a limited number of elements-primarily nitrogen and oxygen.
• axis : an imaginary line that a sphere rotates around.
• surface : the outermost covering or layer.
• weight : the heaviness of an object; force of gravity on mass=weight.