1. Chapter 8 Review Let’s get an “A” on the Test!

2. Chapter 8 Review What causes winds? What is humidity? Winds are caused by differences in air pressure. Humidity is a measure of the amount of water vapor in the air.

3. Chapter 8 Review There are four main types of fronts. What are they? Describe each. There are also four main parts to the water cycle. What are they? How do they create a cycle? Cold, warm, stationery, and occluded Evaporation, condensation, precipitation, and runoff.

4. Chapter 8 Review Name the five types of precipitation. What does the suffix nimbus mean? What does the word cumulus mean? What does the word cirrus mean? What does the word strato mean? Rain, snow, sleet, hail, and freezing rain Rain Heap or mass A curl of hair Spread out

5. Chapter 8 Review What is the name for the giant “thunderhead” type of cloud? What is the name for the clouds that form at or near the ground? What is needed to make a cloud? Condensation of water molecules and ______________ Cumulonimbus Fog Tiny particles on which the molecules can condense.

6. Chapter 8 Review The temperature at which condensation begins is called the _____________ Where do hurricanes typically form? Dew point They typically form over areas of warm ocean water.

7. Chapter 8 Review What causes tornadoes? Where do most tornadoes occur? Usually they are caused when a warm, humid air mass meets a cool, dry air mass. Tornado alley on the Great Plains of the Unites States

8. Chapter 8 Review What type of clouds are associated with tornadoes? What is lightning? Cumulonimbus Lightning is a sudden spark, or electric discharge between clouds or between clouds and the ground

9. Chapter 8 Review What is the name for a Scientist who studies the causes of weather? On a weather map there are often the letters L and H. What do they mean? What are the lines that connect areas of the same temperature called? A Meteorologist Areas of low and high pressure Isotherms

10. Chapter 8 Review What are the lines that connect areas of the same air pressure called? Very large tropical cyclones with high winds are called ____________ The calm center of a hurricane is called the __________. Isobars Hurricanes Eye

11. Chapter 8 Review What should you do if you are caught in a snowstorm? Cover exposed parts of your body and try to stay dry. Only run the car engine if the exhaust pipe is clear of snow.

12. Chapter 8 Review What should you do if you are in the path of a tornado? Go into the basement or storm shelter. Stay away from windows and doors to avoid flying debris. If you are outdoors, lie flat in a ditch.

13. Chapter 8 Review How can you stay safe during a thunderstorm? Avoid places where lightning may strike such as under a tree. Also avoid objects that can conduct electricity, such as metal objects and bodies of water. If you are outdoors, stay low and avoid trees, fences and poles.

14. Chapter 8 Review How can you stay safe if you are caught in a hurricane? Listen to the warnings and evacuate the area when told to do so.