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unit 3
chapters 1 and 2
| Term | Definition |
|---|---|
| Why is East Ferris running out of water, but not West Ferris? | East Ferris is running out of water because they are using more water than is going into the ground reservoir. East Ferris does not receive much rain and therefore has to rely on the water in the groundwater reservoir. West Ferris receives much more rai |
| Where is most of all of Earth's water? | In the ocean |
| Where is most of Earth's freshwater? | Frozen in glaciers |
| The amount of available freshwater _______ when people use more than the amount that flows into their area | Decreases |
| People only use what kind of water? | Freshwater |
| List three things that can cause water shortages. | Droughts, overuse, and pollution |
| What are three parts of Earth's system that we have discussed in this unit. | Biosphere, hydrosphere, and atmosphere |
| How do drops of water form? | When enough water vapor gets cold and condenses into liquid water. |
| Where does water vapor in the air come from? | Liquid water that had evaporated |
| How are water molecules in the states of matter spaced? | Gas molecules are very spread out and move fast, liquid molecules are a little spaced out, and move slow, solid molecules are very packed and do not move. |
| Water molecules are not ______ or ______ when water changes from gas to liquid or liquid to solid. | Created, and destroyed |
| For water droplets to form, the water molecules must get ____ | cold |
| True or false water vapor can come from any body of water. | true |
| True or false The water on earth today is not the same that was on Earth hundreds of years ago. | False |
| Give an example of the hydrosphere and atmosphere. | Liquid water evaporates to form water vapor in the atmosphere. |
| Give an example of the biosphere and hydrosphere interacting. | People using water. |
| Engineer | Someone who uses science knowledge to design something to solve a problem. |
| Synthesize | To put together multiple pieces of information in order to understand something. |
| Resource | A supply of something that is useful. |
| Explanation | A description of how something works or why something happens. |
| Biosphere | All living things on Earth. |
| Hydrosphere | All of water on Earth |
| Water Vapor | Water in the form of invisible gas. |
| Atmosphere | The air that surrounds Earth |
| Condensation | When a gas turns into a liquid. |
| Molecule | A group of atoms joined together in a particular way |
| Evaporation | When a liquid turns into a gas |
| System | A group of parts that work together |
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