| A | B |
| tornado | Very strong wind that comes down from clouds in the shape of a funnel. |
| hurricane | A storm that starts over warm ocean waters that has hard rain and very strong winds. |
| water cycle | The movement of water from Earth to air and back to Earth. |
| thunderstorms | Heavy rain with thunder and lightning and can be very dangerous. |
| evaporate | Energy from the sun changes water from a liquid into water vapor. |
| migrate | Animals move from one place to another in a regular pattern, such as a warmer place in the fall. |
| condense | Water vapor cools to change from a gas to a liquid and forms clouds. |
| weather | What the air outside is like, in many places changes with the season |