1. Ch. 8 Test Review
Mr. Maine

2. Chapter 8 Review
Convection currents form when air temperatures are different.

3. Chapter 8 Review
What happens as you move from the troposphere to the stratosphere?
- Air pressure decreases.

4. Chapter 8 Review
Winds generally blow from west to east over the United States due to a huge convection current over the North American continent and the rotation of Earth.

5. Chapter 8 Review What causes precipitation at fronts?
- Rising warm air.

6. Chapter 8 Review
A severe storm warning means that severe storms have already formed.

7. Chapter 8 Review
A column of wind lifted up on one end by upward winds and pressed down on the other end by downward winds describes a tornado.

8. Chapter 8 Review
Hurricanes get their energy from warm ocean waters.

9. Chapter 8 Review
Which weather instrument is used to measure wind speed?
- Anemometer

10. Chapter 8 Review What does the H on the weather map represent?
- Area of high pressure.

11. Chapter 8 Review
A forecaster determining the climate of an area would find the average yearly precipitation most helpful.

12. Chapter 8 Review
How do the Gulf Stream and North Atlantic Drift currents affect weather in Europe?
- They cause the temperature to be warmer than they would be otherwise.

13. Chapter 8 Review
A scientist studying climates finds a fossil of a fish in the desert. What can the scientist learn from this fossil?
- That the desert probably had a wet climate at one time.