| Term | Definition |
| stratosphere | upper layer of the Atmosphere |
| troposphere | lowest layer of the Atmosphere |
| condensation | water vapour condenses into clouds |
| evaporation | bodies of water give off vapour |
| precipitation | rain, sleet, drizzle etc |
| runoff | water collecting into streams etc |
| freezing | state change from liquid to solid |
| melting | state change from solid to liquid |
| cold front | incoming weather showing teeth |
| warm front | incoming weather showing semicircles |
| isobars | circular maplines showing same pressure |
| High | high pressure, symbol is H |
| Low | low pressure, symbol is L |
| anticyclone | winds travel anticlockwise around the isobars |
| cyclone/depression | winds travel clockwise around the isobars |
| sea,lake | large bodies giving off vapour |
| rain | caused by warmfront rising over cold |