1. What happens to the water vapor in the air when the air becomes saturated and its dew point is reached?  2. How do clouds form? 2. How do hailstones form? 4. You hear of “low-pressure systems” on...

1. What happens to the water vapor in the air when the air becomes saturated and its dew point is reached?

 2. How do clouds form?

2. How do hailstones form?

4. You hear of “low-pressure systems” on TV weather reports. What are two other names for a low-pressure system? What kind of weather are low-pressure systems associated with?