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File created:
Mar, 1999
Last modified:
Mar 22, 2004
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Why watch a video online? 1. You can watch it anywhere there is a high speed internet connection. 2. You can control the pace - pause when you need to, go back to something you missed, take a break without interrupting others. 3. Its cooler in the computer room than in the classroom.
Instructions:
- Go to the Earth Revealed Series website at http://www.learner.org/resources/series78.html
- Scroll down the page to the description of the video "Groundwater".
- Click on the button that says VoD (video on demand):
- You may get a Login Screen next - click on: NEW USERS: Sign up here! (unless you are already registered as a Learner.org user)
- Fill in the registration form. You need to enter a valid email address and make up your own password, but you do not have to use your own name - Lewis Mills can be used as your name for example. This is a respectable organization, they will not spam your email address. If you are unwilling to register, ask your teacher what to do.
- After filling out the registration form, the video should start, or maybe you will have to click on VoD again.
1. Why are most major cities located on rivers?
2. What is "water dousing"?
3. Why can a douser guarantee he will find water in the ground?
4. How much of the US population depends on groundwater supplies?
5. How much water is underground compared to all the lakes and rivers?
6. What are some of the problems that are affecting the use of groundwater?
7. How does water get into the ground?
8. Where does water run off instead of soaking in?
9. How can water soak into "solid" rock?
10. Where does the water go in loose materials?
11. The capacity to transmit water is called:
12. The capacity to store water is called:
13. What is an aquifer? What rock is a good aquifer?
14. Why is clay an aquiclude?
15. How do caves form?
16. Label the saturated zone, the unsaturated zone on the picture.
17. Draw a well on the picture and label the water table.
18. Where is the water table in valleys?
19. Why do rivers and streams keep flowing when it has not rained for a while?
20. What causes a spring?
21. What are artesian wells?
22. Where does LA get its water?
23. What are "waters of wastewater origin" ? (This is not legal - yet - in CT by the way)
24. What does LA have to do to make sure they have enough water?
25. What problems would occur if they did not recharge the groundwater?
26. How can seawater get into the groundwater?
27. List some ways that groundwater is polluted and how it can be protected:
28. Why is clean, fresh water more important to our society than oil?
29. What is happening to the supply of groundwater in the US?
30. List some ways that groundwater can be managed:
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