1. Which of the following is a form a precipitation?

2. What is the science of weather called?

3. What causes wind?

4. Where is there generally a cold area of low pressure on Earth?

5. What is it called when the spin of the Earth affects the direction of the Earth's winds?

6. What type of clouds are high, thin clouds made of ice crystals?

7. What type of clouds are low flat clouds that create overcast days?

8. What type of clouds are the big puffy white clouds that can turn into thunderstorms?

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

10. What do we call the boundary between two different air masses?