2. Constructive and Destructive Forces

3. Plate : A section of Earth’s crust and mantle that fits together with other sections like puzzle pieces.

4. Earthquake : A shaking of the Earth’s surface, caused by movement of rocks in the crust.

5. Epicenter : the point of the Earth’s surface directly above the focus of an earthquake.

6. Fault : A crack in the Earth’s crust.

7. Magma : Melted rock that is beneath Earth’s surface.

8. Lava : molten rock that flows from a volcano onto Earth’s surface.

9. Volcano : A mountain that forms as molten rock flows through a crack onto Earth’s surface.

10. There are 3 types of Volcanoes : 1.Composite Volcanoes 2. Shield Volcanoes 3. Cinder Cone Volcanoes

16. Tectonic Plates

17. Ring of Fire

18. Delta : An area of new land at the mouth of a river.

19. Erosion : The process of moving sediment by wind, moving water, or ice.

20. Jetty : A wall like structure that sticks out into the ocean.

21. Landform : A natural land shape or feature.

22. Sand dune : A hill of sand, made and shaped by wind.

23. Sinkhole : A large hole formed when the roof of a cave collapses.

24. Topography : Surface landforms of an area.

25. Weathering : A process of breaking down rock.