Clouds, Clouds, Clouds

Your task is to explore the internet to learn more about clouds. You will be looking for answers to the following questions:

1. What are the 3 main types of clouds?

2. What are clouds made of?

3. What are the highest clouds in the sky?

4. What are the lowest clouds in the sky?

5. What type of cloud is puffy and looks like cotton balls?

6. What type of cloud has the nickname 'mare's tail'?

7. What type of cloud means 'layers'?