1. What do we call a cloud that forms right on the surface of the Earth?

2. What are clouds made of?

3. Most clouds form as ______ air rises in the atmosphere?

4. What word tells us that a cloud is considered a 'high' cloud?

5. What word tells us that a cloud is considered a 'medium' cloud?

6. What word tells us that a cloud is considered a 'low' cloud?

7. What word tells us that a cloud is considered a 'vertical' cloud?

8. Which of the following types of clouds is usually associated with severe thunderstorms?

9. Which of the following types of clouds are high level clouds that are thin and wispy?

10. What is it that keeps clouds floating in the air?