| A | B |
|---|
| precipitation | water that falls to Earth as rain, snow, sleet or hail |
| groundwater | water that fills the cracks and spaces in underground soil and rock layers |
| 3 % | amount of Earth's fresh water |
| food | plants use water to make their own..... |
| condensation | the process by which a gas changes into a liquid |
| Liquid water at 0 degrees celcius | freezes |
| A water molecule is made up of | two hydrogen atoms bonded to an oxygen atom |
| Polar molecules | stick together |
| Water consists of | polar molecules |
| Surface tension | Tightness across the surface of water that is caused by polar molecules pulling on each other. |
| Capillary action | The combined force of attraction among water molecules and with the molecules of surrounding material. |
| Universal solvent | WATER |
| Water | dissolves many substances |
| Water | exists in all of its different states |
| Gaseous form of water is also know as | water vapor |
| When water evaporates it becomes a | gas |
| Salt water includes | oceans |
| Fresh water includes | rivers, lakes and groundwater |
| more of Earth's surface is covered by | oceans |
| opposites | attract |
