1. Forces that Change the Earth and Landforms Review 3 rd Grade

2. Question 1 Volcanoes create new land on the Earth’s surface when – A.Lava cools and hardens to form rock B.Magma forms giant underground chambers C.Saltwater touches lava and forms steam

3. Answer Lava cools and hardens to form rock Lava is molten rock. When it cools, it hardens into rock. This creates new land.

4. Question 2 A landslide is a most likely caused by – A.Strong winds B.Breaking rocks C.Heavy rains

5. Answer Heavy rains Heavy rains cause the soil to loosen. This may eventually cause it to slide downhill.

6. Question 3 Which of the following best describes how an earthquake changes the Earth’s surface? A.Throws rocks and ash into the air B.Violently shifts the surface of the Earth C.Forces lava through holes in the ground

7. Answer Violently shifts the surface of the Earth The shifting the of the surface of the earth by an earthquake can cause cracks in the ground.

8. Question 4 Which event forces melted rock from deep in the earth towards the surface? A.Earthquakes B.Landslides C.Volcanic eruptions

9. Answer Volcanic eruptions A volcanic eruption causes magma to erupt from underneath the surface of the Earth. Once the magma has erupted, it is called lava.

10. Question 5 _____________________ is the movement of weathered rock and soil.

11. Answer Erosion

12. Question 6 A ________________ is an underwater earthquake.

13. Answer Tsunami

14. Question 7 A _______________ is the rapid movement of rocks and soil down a hill.

15. Answer Landslide

16. Question 8 ______________ is the process of rocks breaking down into smaller pieces.

17. Answer Weathering

18. Question 9 Funnel cloud is another name for a _____________________.

19. Answer Tornado

20. Question 10 ______________ are slow moving frozen rivers.

21. Answer Glaciers

22. Question 11 An opening in the earth’s crust from which lava flows is a ----

23. Answer Volcano

24. Question 12 A mound of earth with a rounded top which is smaller than a mountain is a ------

25. Answer Hill

26. Question 13 A thin natural waterway that allows water to flow into a lake or ocean is a -----

27. Answer River

28. Question 14 A thin strip of land that extends into a body of water is a -----

29. Answer Peninsula

30. Question 15 Low land between hills or mountains is called a -----

31. Answer Valley

32. Question 16 A large natural area of water surrounded by land is a -----

33. Answer Lake

34. Question 17 A large, tall rock that extends into the air which is larger than a hill is a -----

35. Answer Mountain

36. Question 18 A natural area of water that is mostly surrounded by land is a -----

37. Answer Bay

38. Question 19 An area of land that is completely surrounded by water is an -----

39. Answer island

40. Question 20 A large area of flat land or gently rolling land is a -----

41. Answer Plain