Ch. 8 Test

Review

Mr. Maine

Chapter 8 Review

• Convection currents form when air temperatures are different.

Chapter 8 Review• What happens as you move from the

troposphere to the stratosphere?

- Air pressure decreases.

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.

Chapter 8 Review

• What causes precipitation at fronts?

- Rising warm air.

Chapter 8 Review

• A severe storm warning means that severe storms have already formed.

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.

Chapter 8 Review

• Hurricanes get their energy from warm ocean waters.

Chapter 8 Review

• Which weather instrument is used to measure wind speed?

- Anemometer

Chapter 8 Review

• What does the H on the weather map represent?

- Area of high pressure.

Chapter 8 Review

• A forecaster determining the climate of an area would find the average yearly precipitation most helpful.

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.

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.