Science Words

1. An object in motion stay in motion and an object at rest stays at rest unless a force acts upon it
3. the curved path of a celestial object
4. Force equals mass times acceleration
5. When the moon looks different
6. a rock floating through space
9. when you make something smaller or bigger but it is exactly the same
11. a celestial body that -orbits the sun, has enough mass to assume a nearly round shape, has not cleared the neighborhood around its orbit and is not a moon
13. the pull or push of an object
16. the thing that keeps all things that have mass down
17. When the dark part of the moon is bigger

1. Every action has an equal and opposite reaction
2. this consists of our star, the Sun, and everything bound to it by gravity
5. a celestial body moving in an elliptical orbit around a star.
7. the planet on which we live; the world.
8. When the moon’s light part is bigger
9. the star around which the earth orbits.
10. the chemical element of atomic number 77, a hard, dense silvery-white metal.
12. an imaginary line about which a body rotates.
14. the action of rotating around an axis or center.
15. how much matter an object takes up