1. What causes wind?

2. What are scientists who study the Earth's atmosphere called?

3. What type of pressure system generally means rainy or cloudy weather?

4. What do we call the boundary between high pressure and low pressure systems?

5. What type of weather front occurs when a warm air mass replaces a cold air mass?

6. What type of weather front stays in one place for a long period of time?

7. What type of weather boundary occurs between a dry air mass and a warm air mass?

8. What type of weather tool is used to measure the speed of the wind?

9. What type of weather tool is used to measure the air pressure and whether it is rising or falling?

10. What do we call the measurement of the amount of water vapor in the air?