1. Landforms & Bodies of Water

2. Forces of Change
Plate tectonics – Earth’s crust divided into rigid plates that move (continental drift) across upper mantle.

3. Forces of Change Weathering – Breaking & decay of rocks over time
Chemical & physical causes

4. Forces of Change
Erosion – Movement of surface material from one location to another; caused by water, waves, wind, & ice

5. Landforms
Volcano
Mountains
Hills

6. Landforms
Plain: Level area of treeless country
Valley: is a

7. Landforms Peninsula – Piece of land surrounded by water on 3 sides
Plateau – Area of fairly high level ground
Archipelago – large group of islands

8. Landforms Desert Canyon
Floodplain – Flat land along a river subject to flooding
Delta – Earth deposited at the mouth of a river

9. Landforms
Isthmus – Narrow strip of land with water on both sides that connects 2 larger land areas
Coastline
Island

10. Bodies of Water Ocean River
Strait – Narrow passage of water connecting 2 larger bodies of water

11. Bodies of Water
Lake
Gulf – Stretch of sea with a deep inlet & a narrow mouth
Bay – Wide inlet of the sea within a curve of land

12. Group Rules 1. Everyone participates. 2. Respect team member opinions.
3. Adhere to established time limits.
4. “Bell” = end your discussions. 12

13. Group Work- Please have everyone's name on the paper.
How many peninsula’s are located on Map page s27 and s28? 1 point
What landform connects North and South America? 1 point
What is the most common geographical feature on earth? 1 point
What is the difference between an ocean and a sea? 1 point
How have oceans, rivers, and lakes helped the development of the United States? Defend your answer! 3 points
Has geography hurt or helped the United States, or both? Defend your answer. 3 points
Total 10 Points