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Unit 7
Sun, Earth, and Moon
Question | Answer |
---|---|
A celestial body orbiting around a planet or star. | Satellite |
The star at the center of the Solar System that supplies heat and light to Earth; its enormous gravity keep the Solar System in Orbit. | Sun (Sol) |
A natural force that causes two objects to pull toward each other depending on their mass and the distance between them. | Gravity |
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. | Craters |
The path one object takes as it revolves around another object. | Orbit |
A natural satellite that orbits a planet | Moon |
The whole mass of air surrounding the Earth and Sun. | Atmosphere |
To move in a curved path around a center or axis | Revolve (revolution) |
A 24-hour period, or time it takes Earth to make one complete rotation on its axis | Rotate (rotation) |
A line, real or imaginary, around which something spins | Axis |
Landforms, bodies of water, climate, and other features to describe the outward appearance of something. | Physical Features |