2. Plates that move toward each other are called _____ Which layer of earth has the most volume? What is limestone made out of? Lava is what type of rock? What is coal made out of?

3. What is the most efficient way to irrigate crops? Headwaters of Tigris and Euphrates is located in _____ Headwaters of the Nile river are located in _____ Areas of porous water saturated layers underground are known as _____ Most water in the U.S. is used for _____ Saltwater intrusion is caused by _____ Subsidence is caused by _____

4. Hosted By Mrs. Boyd

5. 100 200 400 300 400 Rock cycleMining WaterOther 300 200 400 200 100 500 100

6. Row 1, Col 1 List earth’s interior zones in Order beginning with what Is right under the crust. (Asthenosphere) Mantle, outer core, inner core

7. 1,2 This type of plate Boundary forms when Plates move apart. divergent

8. 1,3 Lava that has cooled is an example of What type of rock. igneous

9. 1,4 Limestone is made up of _____. Shells, skeletons or CaCO3

10. 2,1 Coal is made out of this. Compacted plant remains, mostly carbon

11. 2,2 Plates that move toward each Other form what type of boundary. convergent.

12. 2,4 Plates that move parallel To each other but In opposite directions Produce this type of fault. Transform

13. 3,1 Identified and profitably Extractable resources are Called _____ Reserves

14. 3,2 The waste soil and rock that are Removed during surface mining Is called _____. Spoils, spoil banks

15. 3,3 The waste minerals on An ore is called _____ gangue

16. 3,4 The gangue that is removed Is now called _____ tailings.

17. 4,1 Depletion time can be extended by _____ (list 3 things). Using less, recycling, finding a substitute, better mining technology, discovering new resources

18. 4,3 These currents cause the oceanic And continental plates to move. Convection currents in the mantle, asthenosphere

19. 4,2 The cleanest burning coal Is called _____ Anthracite

20. 4,4 _____ becomes lignite With increased pressure. Peat

21. 5,1 What is depletion time? Time it takes for 80% of a resource to be used up

22. 5,2 What is used to extract gold from gold ore? Cyanide or mercury

23. 5,3 Anthracite and marble are What type of rock? Metamorphic

24. 5,4 Subsurface mining can cause The ground above to sink in. This is called _____ Subsidence

25. Row 1, Col 1 The headwaters of the Nile River are located in this country. Ethiopia

26. 1,2 The hydrologic cycle is powered by ____ and ____ Gravity and the sun

27. 1,3 Was once the world’s 4 th largest freshwater lake. Aral Sea

28. 1,4 According to the U.N., in 2005, 1 in ___ people lack regular Access to clean water for drinking, Cooking, and washing. 6.

29. 2,1 Slightly salty water. brackish

30. 2,2 Surface runoff that we can count On from year to year is called _____. Reliable runoff

31. 2,3 percolation. Movement of water through the spaces between the rock and soil layers. Recharge of aquifers is due to this process.

32. 2,4 Two methods of desalination. Reverse osmosis, distillation

33. 3,1 Approx. % of earth’s water supply Available as liquid water. 0.02 or 0.024

34. 3,2 This uses the most water In your house. toilet

35. 3,3 Least efficient type of irrigation. Flood irrigation

36. 3,4 Slightly dirtied water from bathtubs Showers, and sinks. Gray water

37. 4,1 Sprinkler system that moves in a circle And uses low pressure. Center-pivot

38. 4,3 The largest producer of Freshwater from sea water. (a country) Saudi Arabia

39. 4,4 Most water in the middle east From rivers, comes from what 3 rivers. Jordan, Nile, Tigris or Euphrates

40. 5,1 Changing the flow of a stream To increase the rate of discharge. Stream channelization

41. 5,2 3 ways to prevent or control flooding. Dams, levees, stream channelization, flood plain, restore wetlands, prevent erosion by protecting forests, management

42. 5,4 This leads to saltwater Intrusion and sinkholes. Withdrawing too much ground water

43. Row 1, Col 1 Which countries invaded Congo for its minerals? Uganda, Rwanda

44. Row 1, Col 1 Name a water intensive crop. Cotton, rice