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Unit 7

Sun, Earth, and Moon

QuestionAnswer
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
Created by: merrittscience