Across
- 4. water containing a high concentration of calcium and magnesium
- 6. the variety of different kinds of species living in an ecosystem
- 7. the cycle of processes when water circulates through oceans and the atmosphere
- 10. average weather measured over a long period of time
- 11. amount of waterborne materials it carries (rock, soil)
- 14. highest level water will reach on shore
- 20. the regular rising and falling of very large bodies of water
- 23. forces saltwater through a membrane allowing only water to pass through, not salt
- 24. theory explaining the structure of the earth’s crust with the interaction of other plates
- 25. layers of sedimentary rocks forming such called a strata
- 27. a profile and defined quality of a stream or river
- 28. lowest level the water will reach on shore each day
- 30. measure of the amount of substances besides water in a water sample
- 31. an area drained by a river, a low lying area on the earth’s surface with thick layers of sediment
- 33. process in which a liquid or vapour mixture of two or more substances is separated using the application of heat
- 37. water held underground in soil or between rocks
- 39. breaks down soil and rock with wind, water or other natural causes
Down
- 1. colorless transparent odorless liquid that forms lakes, rivers etc.
- 2. a boat on the surface of the water will cause a wash or _______________
- 3. amount of dissolved salts in water
- 5. degree to how pollution-free the air is in our atmosphere
- 8. erosion or disintegration of rocks etc. caused by chemical reactions
- 9. a large moving body of ice
- 12. the transporting of a transparent liquid with soil and rocks
- 13. water that is safe for humans to drink
- 15. eroded rock fragments and soil carried by water or wind
- 16. microscopic plants that are food for fish in the top and middle zones of lakes
- 17. freshwater biologist who regularly measures levels of chemical in waters
- 18. the buildup of chemical element, a soft gray metal
- 19. highest point of land on a continent
- 21. area of land that drains into one main lake or water
- 22. gradual movement of continents across the earth’s surface
- 26. the supply of water to land or crops to help growth
- 29. movements on the surface of the water
- 32. presence in the environment of a substance or thing that has harmful or poisonous effects on the environment
- 33. laying down of sediments, soil and rocks are added to a landform
- 34. prevents erosion on the banks of rivers
- 35. the solid outer part of earth, it is a plate
- 36. consists of oil, salt and fertilizer which can affect plants and animals with chemicals even leading to the death of plants
- 38. bacteria found in the intestines of humans and animals causing food poisoning