Chapter five
WATER
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1-WHAT HAPPENED IF:
1. Water vapor will be condensed on the cold surface in the form of water droplets.(condensation)
2. Water will change from the liquid state to the solid state(ice) ,which takes up more space.
3. For tiny pieces of dirt sink to the bottom of the tank.
4. Your body will be sticky as the sweat will not be able to evaporate.
2-complete the following:
1. water vapor
2. wetland
3. ground water
4. Precipitation.
5. Fresh
6. Evaporation
3-state (T) OR (F):
1. )T(
2. )T(
3. )F)
4. )T(
5. )T)
5-GIVE REASON FOR:
1. Because dirts and germs make people sick,it harm machines,also it make water smell bad and taste bad.
6-complete the following:
1. liquid (water),solid(ice),gas(water vapor)
2. evapration,condensation,percipitation.
3. temperture
4.rivers,lakes,groundwater,stremas
5. ground water.
6. blue
7. heat
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7-explain how:
1) in cleaning ,washing,in producing electricity,in industry,in drinking.
2) By soaking up extra water.
3) When air cools condensation turn the invisible water vapor in the air to water droplets.
4) As water is sent to the water treatment area to be cleaned.
5) As we need it to drinking,cleaning.and it is foundin very limited amount on the earth.
6) The salt comes from the rocks in the ocean floor.
7) The sun's energy and the winds causes water to evaporate and become water vapor.
8-choose the correct answer:
1) Water vapor
2) Wetland
3) Ground water
4) Condensation.
5) Wind
6) Temperature
7) salt