Science Vocabulary

1. distance traveled by the time it took to get there; how fast something is moving.
2. The pull of gravity on an object.
8. used to measure direction (North, East, South, West).
9. to move together; to take up less space.
11. a push or a pull on an object.
13. Any form of water (rain, snow, sleet, hail) that falls from a cloud.
14. when two objects rub against each other. The moving object will slow down.
15. speed and direction.
18. a characteristic or quality of a material. Properties are words that describe matter.
19. The amount of matter in an object. Mass is conserved, meaning the total mass is always equal to the sum of its parts.
20. to decrease in speed; to slow down.
21. water is evaporated from the pores on plant leaves.
22. to spread out; to take up more space.

1. water droplets that freeze on the way to the ground.
3. objects at rest will remain at rest, and objects in motion will remain in motion. It is the resistance to change. It is NOT a force.
4. the amount of water vapor (moisture) in the air.
5. water is heated by the sun and changes it from a liquid to a gas called water vapor.
6. when water runs off the surface of land and into a body of water.
7. to increase in speed; to speed up.
10. an object changes position over time; movement.
12. water vapor in the air cools and changes into liquid water.
14. a liquid or gas
16. to change from one to another, or move from one place to another.
17. forms in the atmosphere (sky) when water droplets fall and the wind pushes them back up to where it is cold and the water droplets freeze.