1. CONVECTION CURRENTS A quick review using white boards

2. Describe the cause of convection currents. Be specific!

3. Where are Earth’s convection currents? A. In the crust. B. In the core. C. In the mantle. D. Both A and B. Now, can you be MORE specific???

4. What substance moves in a convection current in the asthenosphere? A. Air B. Heated rock C. Water D. Both A and C

5. Analyze the following drawing of a convection current. Draw it and write in the correct information. Hot sinks. Density increases. Cold rises. Density decreases. Mantle is cold. Particles cool. Heat from crust drives convection current. Which way is the plate (above) moving? Left or Right?

6. Identify and explain one real-life example of a convection current found in your home.

7. Why might a rock sink into the Earth’s mantle?

8. Why might a rock rise through the Earth’s mantle?