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Gravity and Motion
Science vocab-Quiz 5/13
| Term | Definition |
|---|---|
| Gravity | is a force of attraction, or pull between any two objects |
| Meteor | is a space rock that enters Earth's atmosphere |
| meteorite | when a meteor strikes Earth's surface |
| tide | (The moons gravitational force causes Earth's tide)The tide is the regular rise and fall of water along the shore. |
| revolution | a complete pass around the sun, taking 365 1/4 days, or one year. |
| rotation | is a complete spin on the axis. Earth makes a complete rotation everyday or every 24 hours. |
| Orbit | the path an object takes as it travels around another object. |
| Moon Phases | the apparent shapes of the moon in the sky. |