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- 1. Multiple Choice
What percentage of the earth is water?
50%
60%
71%
80%
- 2. Multiple Choice"Ensuring availability of water for future generations" is aGoal of water conservationStrategy of water conservationKey activity of water conservation
- 3. Multiple Choicewhat is the water division of earthocean water 97.5 per cent,freshwater frozen as ice 1.5 per cent and freshwater 1 per centocean water-47%,freshwater 50%,freshwater frozen as ice 3%ocean water 1%,freshwater frozen as ice-90%,freshwater9%freshwater-33.33%,freshwater frozen as ice 33.33%,ocean water 33.33%
- 4. Multiple Choice
A scientist studies a sample of swamp water. She finds that there are many dead plants and fish in the water. ________ in the water could be the main cause of this.
oxygen
litter and pollution
mud and silt
pebbles and sand
- 5. Multiple Choice
what is the main cause of water pollution?
invasive species
animals
plants and insects
human impact and decision making
- 6. Multiple Choice
Which of the following is a way of conserving water?Leave the tap running while brushing teethUse a hose to wash the carUse the washing machine at full loadLeave the shower running while soaping - 7. Multiple ChoiceWhy do we need to conserve water?It is an unlimited resource.It is a limited resource.There is a lot of water.There is no need to conserve water.
- 8. Multiple ChoiceIt’s okay to flush some trash down the toilet like cotton balls and tissueTrueFalse
- 9. Multiple ChoiceKeeping the water running when you brush your teeth wastes a lot of water.TrueFalse
- 10. Multiple ChoiceWhen is the best time of day to water your lawn?Early morning or late eveningIn the afternoonAll day longAt night
- 11. Multiple ChoiceWater that is stored in layers of rock and soil beneath the Earth's surface is called ________groundwatersewagea reservoiran underground stream
- 12. Multiple ChoiceAn area underground that water flows through is called an _____Water TableZone of AerationAquiferDrainage Basin
- 13. Multiple ChoiceApproximately 75 percent of the Earth's surface is covered in water. So why is water considered such a precious resource?The greenhouse effect is causing most of the world's freshwater to be trapped in the atmosphereOnly a small fraction of the Earth's water is freshwater available for drinking and irrigationEach year, more freshwater is being trapped in icecaps located at the North and South PolesGlobal warming caused by greenhouse gas emissions will likely cause Earth's oceans to evaporate
- 14. Multiple ChoiceWhat will most likely happen if the human population continues to grow at current rates?There will be fewer natural resources available for future generations.There will be an increase in nitrogen levels in the atmosphere.There will be a decrease in water pollution.There will be an increase in the number of strong hurricanes
- 15. Multiple ChoiceWhich actions taken by a school environmental club would make a positive human impact?planting native trees along the border of the school propertymaking wooden benches by harvesting local treesintroducing a new population of foxes to school groundsclearing an area to make room for additional student parking
- 16. Multiple Choice
What usually uses more water in the home?
Washing machine
taking a shower
brushing your teth
drinking water
- 17. Multiple Choice
Approximately how many gallons of water does it take to grow sugar cane?
20- 25 gallons
2-4 gallons
180-200 gallons
- 18. Multiple Choice
What percentage of the earth's water is salt water?
3%
25%
71%
96.5%
- 19. Multiple Choice
Based on our articles and class information, predict what will happen to the percentage of water frozen in glaciers and ice Caps over the next 20 years?
It will increase from 68.7%
It will stay the same at 68.7%
It will decrease from 68.7%
- 20. Multiple Choice
1/3 of household watering is for outdoors. What are good irrigation practices for lawns or gardens?
Avoid watering in the heat of the day so it doesn't evaporate.
Don't water on windy or rainy days
Do not water lawns between 10 AM -4 PM
All of the above
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