1. EXAM 1 Review WATER

2. What is a scientist doing when they are testing a hypothesis? O Experimenting

3. Refers to the path a stream may follow O Channel

4. What form of water is represented in the picture? Gas

5. What are secondary resources? O Books, Magazines, and newspapers

6. This type of water is found as streams, rivers, and lakes O Surface water

7. What do we call 2 or more atoms that are linked together? O molecules

8. What is specific heat? O The amount of energy needed to heat a substance by a particular amount

9. Which part of the scientific method uses primary resources? O Gathering information.

10. What is responsible for surface currents? O Wind

11. What is sublimation? O Solid water changes to gaseous/water vapor

12. The upper boundary of ground water O Water Table

13. The property of water that allows water to attach to dust in the air to form water droplets O Adhesion

14. Water typically flows along ________ in the bedrock. O weaknesses

15. What form of water is represented in the picture? Solid

16. The area where groundwater becomes surface water O Discharge zone

17. Which section of the scientific method would one find graphs, charts, and calculations? O Analyzing results.

18. What are the 3 processes in which water can reach the atmosphere? O 1. Evaporation O 2. Transpiration O 3. Sublimation

19. This type of water is found in space s between rock particles below the surface of the Earth O Ground water

20. As water changes state, energy can be _______or_______. O Released/Stored

21. Stores and allows the flow of groundwater O aquifer

22. The water table can _____ or ____ depending on the amount of water in the aquifer O Rise/fall

23. This is an area of high ground that separates watersheds O Divide

24. The purpose of an experiment is found in which part of the scientific method? O Identifying the question

25. What are the four roles that water plays on Earth? O Influences weather O Shapes Earth’s Surface O Supports Life O Supports Human Activity

26. Define Science. O Science is a process of observing, studying, and thinking about things in your world to gain knowledge.

27. What is a scientist doing when he or she is making a hypothesis? O Making an educated guess.

28. Refers to the amount of space between rock in an aquifer O Porosity

29. The measure of how easily water can flow through an aquifer O Permeability

30. The movement of water between the atmosphere, land, oceans and living things is known as _________. O The water cycle

31. What is a theory? O A proven hypothesis.

32. The area where water trickles down and enters an aquifer O Recharge zone

33. What state of water is found in the picture? liquid

34. These 3 processes absorb energy from their environment O Melting O Evaporation O Sublimation

35. What are the 5 characteristics of water that are necessary to support life? O All living things are made of water O All biological processes use water O Cellular chemistry O Regulate Temperature O Transport substances

36. Water’s properties of cohesion, adhesion, high specific heat, and solvent are due to what? O Polarity

37. Why does it take a lot of energy for water change its state of matter? High specific heat of water

38. These types of resources are original research O Primary Research

39. What is deposition? O The process of water changing from a gas directly to a solid.

40. At what point does condensation occur? O When water vapor is cooled enough

41. How are water droplets formed? O Water vapor latches on to small particles in the atmosphere.

42. A series of steps used to solve a problem is referred to as what? O The Scientific method

43. What is freezing? O Process where liquid water forms solid water (ice).

44. What is transpiration? O Water turns to water vapor inside a plant and released into the atmosphere

45. During which part of the scientific method is a scientist choosing variables? O Testing the hypothesis

46. What is a controlled variable? O A variable that remains constant or unchanged.

47. This part of the scientific method answers the main question of the experiment. O Drawing Conclusions

48. What are 2 ways in which water can reshape the Earth’s surface? O Erosion-wearing away of rock O Carries away soil and sediment

49. What is cohesion O The property that holds molecules of a substance together

50. What is an independent variable? O Variable that changes

51. Name the 3 processes where water releases energy into its surroundings O Freezing O Condensation O deposition

52. Where does evaporation mostly occur? O Over the oceans

53. What property of water allows water droplets to “stick” together to form larger water droplets? O Cohesion

54. How does precipitation fall on land? O Winds carry clouds from ocean over land

55. How do clouds, fog and mist form in the atmosphere? O Water latches on to tiny particles to small droplets of water.

56. What’ the process? O Deposition

57. Name the process. O Condensation

58. Name the process O evaporation

59. Which part of the water molecule is partially negative? O Oxygen

60. What are water molecules made of? O 2 Hydrogen atoms O 1 oxygen atom

61. A liquid that is used to dissolve substances is referred to as what? O Solvent

62. What are atoms? O Tiny particles that make up matter

63. Name the process O freezing

64. Name the process O Sublimation

65. Name the process O melting

66. Name the steps of the scientific method O Identify the problem O Gather information O Form a hypothesis O Test the hypothesis O Analyze data O Form conclusions

67. What does it mean when something exhibits polarity? O Anything that has a positive charge at one end and a negative charge at the other end.

68. Most of Earth’s water is found in what state of matter? O liquid

69. What is dependent variable? O The variable that is being tested for.

70. A good experiment should be ______ and ______. O Reproducible/repeatable

71. Name the 2 biggest uses of water in agriculture O Irrigation O Care for Farm animals

72. What is precipitation? O any form of water that falls to Earth from the clouds

73. The End!!!!