| A | B |
|---|
| atmosphere | gases and tiny bits of dust that surround Earth |
| weather | what the air is like at a certain place and time |
| temperature | how hot or cold something is |
| thermometer | a tool that measures temperature |
| precipitation | water that falls to the ground from the atmosphere |
| sleet | rain that freezes as it falls |
| hail | lumps of ice that fall during a thunderstorm |
| wind | moving air |
| air pressure | the weight of air pressing down on Earth |
| rain guage | measures the amount of precipitation |
| weather vane | points out the direction of the wind |
| anemometer | measures how fast air is moving |
| barometer | measures air pressure |
| cloud | collection of tiny water drops or ice crystals in the air |
| cirrus | clouds that look thin, wispy, or feathery |
| cumulus | clouds that are puffy, white clouds that look like cotton balls |
| stratus | clouds that look like layers of blankets |
| fog | stratus cloud that forms near the ground |
| condensation | changing of a gas to a liquid |
| thunderstorm | a storm with tunder, lightning, heavy rains, and strong winds |
| tornado | a powerful storm with rotating winds that looks like a funnel |
| hurricane | a strong storm that forms over the ocean |
