1. Ch 7 Changes to the Earths Surface By Ms. Aldridge 5 th Grade

2. Topography All the kinds of landforms in a certain place.

3. Earthquake A movement of the ground, caused by a sudden release of energy in the Earths crust.

4. Volcano A mountain made of lava, ash, or other materials from eruptions that occur at an opening in Earths crust.

5. Landform A natural land shape or feature.

6. Glacier A large thick sheet of ice.

7. Sand dune A hill of sand made and shaped by the wind.

8. Delta An area of new land at the mouth of a river, formed from sediments carried by the river.

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

10. Plate A section of the Earths crust and mantle that fits together with other sections like puzzle pieces.

11. Epicenter The point on the Earths surface directly above the focus of an earthquake.

12. Fault A break in the Earths crust.

13. Magma Molten rock beneath the Earths surface.

14. Lava Molten rock that reaches Earths surface.