Landforms & Bodies of Water

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

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

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

Landforms Volcano Mountains Hills

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

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

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

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

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

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

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

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