| A | B |
| water vapor | water that is in the form of gas |
| evaporate | to change from a liquid to a gas |
| condense | to change from a gas to a liquid |
| cloud | a mass of many water droplets or bits of ice that float in the air |
| precipitation | a form of water that falls to the ground from the clouds |
| water cycle | movement of water from the earth to the air and back to the earth |
| hurricane | a huge storm that forms over warm ocean water, with strong winds and heavy rains |
| tornado | a funnel cloud that has very strong winds and moves along a narrow path |
| blizzard | a snowstorm with strong, cold winds and very low temperatures |