2. Created by Science Teachers Unit 4 Lesson 1-2

3. 100 200 400 300 400 ChangesTimeForcesAgents 300 200 400 200 100 500 100

4. Row 1, Col 1 The carrying away of materials from one place to another What is erosion?

5. 1,2 The process by which material is eroded by water, wind or ice and are dropped into a new place What is deposition?

6. 1,3 Moving air What is wind?

7. 1,4 A natural structure on on the Earth’s surface (ex. mountain, valley, plain, plateau…) What is a landform?

8. 2,1 A series of ridges that moves across a large body of water What are waves?

9. 2,2 Water frozen in a solid state What is ice?

10. 2,3 How water continuously moves between the ocean, the sky, and the land What is a water cycle?

11. 2,4 How water continuously moves between the ocean, the sky, and the land What is hydrologic cycle?

12. 3,1 The process by which liquid water changes to water vapor (gas) What is evaporation?

13. 3,2 The change in a substance from a gas to liquid What is condensation?

14. 3,3 To pile up What is accumulation?

15. 3,4 The breaking down and wearing away of rock material What is weathering?

16. 4,1 Water that falls into the surface of the Earth as rain, hail, sleet or snow What is precipitation?

17. 4,2 The flow of water in a steady stream What is run off?

18. 4,3 A path by which large amounts of materials of move across the land Ex. river What is a flow?

19. 4,4 A large body of moving ice What is a glacier?

20. 5,1 A material that helps slow down erosion What is a barrier?

21. 5,2 An area of land at the mouth of a river where deposits of eroded materials have been built up What is delta?

22. 5,3 A piece of rock, soil, sand, shell and/or remains of an organism What is a sediment?

23. 5,4 The force that pulls objects towards each other What is gravity?