Across
- 3. Humans rely on water not only to live and grow, but also for agriculture and ______________________ (page 88)
- 5. The presence of groundwater depends on the type of rock layers in Earth's ____________(page87)
- 8. When a mineral deposit is large enough and valuable enough to be extracted from the ground it is known as an _________ (page75)
- 9. All rivers begin as a small flow of water caused by ________________ (page 86)
- 11. Humans access groundwater resources by digging wells in _______________ (page 88)
- 12. Gold gets __________________ when hot fluids pass through the crust and pick up the gold (page 78)
- 18. Surface water is _____________ found on top of Earth's land surface (page86)
- 19. Although Earth is known as the water planet the water that living things rely on represents only a ___________ of the planets total water (page 85)
- 21. ___________ are made from one or more minerals(page 75)
- 23. Most surface water on Earth is found in ___________ (page 86)
- 24. Minerals are used in the production of buildings, ____________, electronics, and other materials we use every day. ( page 80)
- 26. Most of the water on Earth is ___________ water
- 27. One of the ways minerals can form is from ___________ materials (page 76)
- 29. a solid substance that is non living and made from a particular combination of elements(page 75)
- 32. _____________ can result in sever reductions or complete collapses of ocean ecosystems and the resources they provide (page 89)
- 33. Other minerals may form from ______________ in the ocean or on land (page78)
- 34. _______ is rare at the surface because most of it sank into the core when the early Earth was molten (page 78)
- 35. This removes salt and minerals from saltwater to make freshwater (page 89)
- 37. _________________ rely on minerals in many ways (page80)
Down
- 1. Surface water is not evenly ______________ across Earth (page86)
- 2. A fair amount of water is contained ___________ as groundwater (page 85)
- 4. Gold, __________, and talc are a few examples of minerals (page 75)
- 6. Water is needed to produce our food, manufacture products, and carry out many chemical ______________(page 88)
- 7. The molten and semi-molten rock mixture found beneath Earth's surface (page77)
- 10. Something else that is often made from minerals (page 80)
- 13. Nonrenewable resources means when they are removed from the ground they will ________ grow back anytime soon (page 80)
- 14. Elements in a solution can __________ to form a new mineral (page 77)
- 15. New studies of Earth's mantle reveal there may be many _________ worth of water locked hundreds of kilometers below the surface (page87)
- 16. Desalination plants around the world are _________ and require a lot of energy to distill saltwater (page89)
- 17. In some areas humans are ________________ water resources faster than they are being replenished (page 88)
- 20. When magma breaks to the surface is is known as __________ (page77)
- 22. The water _________ circulates water through Earths Oceans and other bodies of water on and below the surface (page 85)
- 25. Humans rely on the ocean to provide a number of other important resources besides water such as __________ organisms for food and other products (page 89)
- 28. Some valuable minerals are located in parts of the world that are politically __________________ (page 80)
- 30. We may eventually use __________ energy to convert ocean water to freshwater (page 89)
- 31. Fish are replenished through a ____________ cycle (page 89)
- 36. Deep groundwater reservoirs can take hundreds or thousands of years to _____________________(page 87)