1. Differential Heating, Convection, and Air Pressure
Science Review Game

2. How does temperature affect the amount of water vapor in the air?

3. Explain how convection currents are produced in the air.

4. Describe what happens to air molecules when air is heated.

5. What is the source of energy that causes the wind to blow?

6. What is atmospheric pressure and what causes it?

7. Is atmospheric pressure higher on a mountain top or at sea level. Why?

8. A student opened a bottle of water in the mountains, drank the water, and put on the cap. When he returned to Redwood City, the bottle was crushed. Explain why.

9. In which direction does atmospheric pressure push?

10. What happens to the molecules in a sealed syringe when the plunger is pushed in?

11. Below is a picture of a closed container with a piston
Below is a picture of a closed container with a piston. Complete the drawing of the second container to show what happens to the molecules of air when the piston pushes down.

12. Where is the atmosphere densest? Why?
mountain
sea level
Where is the atmosphere densest? Why?

13. Which container, A or B, had the dry soil?
The graph shows temperature data from two containers. One container had 100 ml of water and the other had 100 ml of dry soil. Each container was placed in the sunshine for 20 minutes and then in the shade for 20 minutes.
Which container, A or B, had the dry soil?
Explain.

14. Which of these materials, dry soil or water, is a heat sink?
The graph shows temperature data from two containers. One container had 100 ml of water and the other had 100 ml of dry soil. Each container was placed in the sunshine for 20 minutes and then in the shade for 20 minutes.
Which of these materials, dry soil or water, is a heat sink?
Explain.

15. Which way will the wind blow?

16. Uneven heating of Earth by the Sun causes ...
a. humidity.
b. clouds.
c. wind.
d. precipitation.

17. Bonus Round
Decide how many points you would like to wager.

18. What will happen in the vial? What is the name of the current?
Kalli has a vial of cold water with blue coloring at the bottom. She puts a small bag of warm water next to the vial as shown.
What will happen in the vial? What is the name of the current?
warm
water