1. People use an instrument called a .......... to measure air pressure. Changes in air pressure happen when changes in the weather occur.

2. People use a .......... to measure fluctuating temperatures. This instrument is made up of a glass tube with mercury in it that changes as the temperature rises or falls.

3. A .......... is a strong, oceanic storm that usually rotates over water and occurs in the United States and other parts of the Atlantic region.

4. A .......... is a tropical, strong, oceanic storm that rotates over water and occurs in Asia and other parts of the Northwest Pacific region.

5. When there is heavy rainfall and the majority of rain falls during a particular season in large parts of Asia, this is called a .......... season.

6. An .......... is caused by a sudden shift in a fault line in the earth's crust. The earth moves and shakes and can cause huge amounts of damage and death.

7. A .......... is made up of giant waves that can travel for many miles across the ocean and often destroy buildings and kill wildlife and people.

8. A .......... occurs when large amounts of rain fall and rising water overflows onto normally dry land.

9. A .......... is a violent and destructive windstorm that occurs on land. You can identify these by funnel-shaped clouds that form and point toward the ground.

10. An .......... is a slide of large amounts of snow, ice and/or mud down a mountain that can cover huge areas of land and even bury people and wildlife in the process.