| A | B |
|---|
| accumulation | amount of precipitation collected or piled up |
| anemometer | a weather instrument that measures wind speed |
| barometer | a weather instrument that measures air pressure |
| climate | it describes the average weather conditions in a certain place or during a season |
| flood | downpour of rain resulting in overflowing river banks, running and standing water |
| global warming | a rise in Earth's average worldwide temperature |
| global winds | the natural flow of air along the surface of the Earth named according to the direction they come from |
| greenhouse effect | the process of Earth's atmosphere trapping heat near Earth's surface |
| hurricane | a powerful tropical storm with heavy rains and winds of more than 74 mph |
| hygrometer | a weather instrument that measures humidity |
| melt | to change from a solid to a liquid by warming to the melting point |
| rain gauge | an instrument used to measure the amount of rainfall |
| sand dunes | ridges and hills created in the sand from wind |
| states of matter | liquid, solid and gas |
| thermometer | an instrument that measures temperature |
| tornado | a dark funnel of strong winds that spiral upward |
| tropical storm | a storm related to the hot humid regions of the Earth |
| wind speed | the measurement of air movement caused by differences in pressure |
