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Earth Science
Fresh Water
| Term | Definition |
|---|---|
| Transpiration | the process by which plants release water vapor through their leaves |
| impermeable | describes material in which water does not pass through easily, such as clay granite |
| recharge | new water that enters an aquifer from the surface |
| runoff | water that flows over Earth's surface |
| aquifer | an underground layer of rock or soil that holds water |
| ground water | water that fills the cracks and pores in underground soil and rock layers |
| water table | the top of the saturated zone or the depth to the level of groundwater in an aquifer |
| pores | tiny openings in and between particles of rock or soil that may contain air or water |
| spring | a place where the water table meets the ground surface and groundwater flows out of cracks in the rock |
| evaporation | the process by which molecules of liquid water absorb energy and change to water vapor |
| What is the amount of earths water that is salt water? | 97% |
| What is the amount of earths water that is fresh water? | 3% |
| where is most of the earth's fresh water found? | ice and the ground |
| Name 3 fresh water sources | rain, snow and hail |
| Compare the amount of water in the ocean, icebergs, and lakes. | 97% ocean, 2% iceberg, and lakes 0.01% |
| List 4 ways to conserve water | avoid contaminating rivers, lakes and ground water. use rain water for gardening. Recycle dirty water. And use economic toilet flushes. |
| What is water cycle? | a continuous process of water circulating between the earth's oceans, atmosphere and land |
| What process changes liquid water to water vapor | evaporation |
| List the places on Earth from which water can evaporate | Oceans, lakes, dams |
| How do plants release water into the atmosphere? | transpiration |
| Which process occurs when water molecules become too heavy and fall back to the Earth's surface | precipitation |
| Name 4 types of precepitation | rain, snow, hail, and sleet |
| Explain if there is need to add or lose any amount of the Earth's water available to use | Water is a scarce resource so we need to conserve, recycle water and use rain water |
| What is the energy source for the water cycle? | The sun |
| Describe runoff | The process by which water flows off over the surface of the land caused by rain |
| What is water that soaks into the ground called? | permeable |
| Material in which water cannot hold any more, it is ________________________ | saturated |
| If the ground is full of water and cannot hold any more, it is________________________ | saturated |
| What factors influence how long groundwater stays underground? | when rain, streams, and rivers feed into underground water |
| Where must you dig to in order to get water from an aquifer? | into the water table |
| What percentage water is usable by humans out of all waters in the world? | 1% |
| Spaces between rocks and soil is____________ | pores |
Created by:
mystudystuck
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