Science Benchmark 2 Review

682 views

Published on

Benchmark Review - Science

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
682
On SlideShare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
3
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Science Benchmark 2 Review

  1. 1. Science: Benchmark #2 Review Water and Watersheds SOL 6.1, 6.5 a-c, e-f
  2. 2. Water is known as a “universal solvent” because - <ul><li>It dissolves in many other substances </li></ul><ul><li>It can dissolve lots of other substances </li></ul><ul><li>It is found on every planet </li></ul><ul><li>It only exists as a liquid </li></ul>
  3. 3. B) It can dissolve lots of other substances
  4. 4. The property of water that helps its molecules stick together is - <ul><li>F) The sides of the molecule are positive. </li></ul><ul><li>G) The sides of the molecule are negative. </li></ul><ul><li>H) One side of the molecule is negative and the other is positive. </li></ul><ul><li>J) Both sides are magnetic. </li></ul>
  5. 5. H) One side of the molecule is negative and the other is positive.
  6. 6. Which description best describes the ability of the water molecule to show cohesion and adhesion? <ul><li>The negatively charged oxygen end of the molecule is attracted to the positively charged hydrogen end of the molecule. </li></ul><ul><li>The negatively charged hydrogen end of the molecule is attracted to the positively charged oxygen end of the molecule. </li></ul><ul><li>The overall charge of the water molecule is positive, causing a positive attraction for all water molecules. </li></ul><ul><li>The overall charge of the water molecule is negative, causing a negative attraction for all water molecules. </li></ul>
  7. 7. A) The negatively charged oxygen end of the molecule is attracted to the positively charged hydrogen end of the molecule.
  8. 8. Which state of water is composed of molecules that are locked together? <ul><li>Liquid </li></ul><ul><li>Solid </li></ul><ul><li>Gas </li></ul><ul><li>Gel </li></ul>
  9. 9. G) Solid
  10. 10. The state of water that has molecules that move freely past each other is - <ul><li>Liquid </li></ul><ul><li>Solid </li></ul><ul><li>Gas </li></ul><ul><li>Gel </li></ul>
  11. 11. C) Gas
  12. 12. Ice will float in water because - <ul><li>F) Ice is more dense than liquid water </li></ul><ul><li>G) Ice is less dense than water </li></ul><ul><li>H) Water pushes the ice to the surface </li></ul><ul><li>J) The salt in the water makes the ice float </li></ul>
  13. 13. G) Ice is less dense than liquid water
  14. 14. When the acids in water dissolve away a rock, ____________ has occurred. <ul><li>Pollution </li></ul><ul><li>Physical weathering </li></ul><ul><li>Chemical weathering </li></ul><ul><li>Acid rain </li></ul>
  15. 15. C) Chemical Weathering
  16. 16. When water freezes in the cracks of rocks and then small pieces of the rock break off, __________ has occurred. <ul><li>F) Pollution </li></ul><ul><li>G) Physical Weathering </li></ul><ul><li>H) Chemical Weathering </li></ul><ul><li>J) Acid Rain </li></ul>
  17. 17. G) Physical Weathering
  18. 18. All of the following are ways to conserve water except - <ul><li>Watering the yard in the summer </li></ul><ul><li>Correcting a dripping faucet </li></ul><ul><li>Taking shorter showers </li></ul><ul><li>Watering the yard and garden with rainwater </li></ul>
  19. 19. A) Watering the yard in the summer
  20. 20. We need to preserve and maintain our water resources. Which of the following is NOT an important reason to do this? <ul><li>F) Water is used to grow food. </li></ul><ul><li>G) Water is important to our health. </li></ul><ul><li>H) Water is an important source in recreation. </li></ul><ul><li>J) Water is needed by our bodies. </li></ul>
  21. 21. H) Water is an important source of recreation.
  22. 22. Where is most of the water on Earth found? <ul><li>The polar icecaps </li></ul><ul><li>The oceans </li></ul><ul><li>Underground aquifers </li></ul><ul><li>Lakes, ponds, rivers, and streams </li></ul>
  23. 23. B) The oceans
  24. 24. Where is most of the fresh water on the Earth found? <ul><li>F) Polar icecaps </li></ul><ul><li>G) Oceans </li></ul><ul><li>H) Underground aquifers </li></ul><ul><li>J) lakes, ponds, rivers, and streams </li></ul>
  25. 25. F) Polar icecaps
  26. 26. When agriculture and human waste is added to watersheds decomposition occurs. What does the decomposition process use up in the water? <ul><li>Nitrogen </li></ul><ul><li>Hydrogen </li></ul><ul><li>Oxygen </li></ul><ul><li>Phosphorus </li></ul>
  27. 27. C) Oxygen
  28. 28. What abiotic factors are important in an aquatic ecosystem? <ul><li>F) amphibians, vegetation, nutrients, nektons </li></ul><ul><li>G) grasses, trees, reptiles, amphibians </li></ul><ul><li>H) nektons, rocks, grasses, climate </li></ul><ul><li>J) Dissolved oxygen, salt, water temperature, chemical contaminants </li></ul>
  29. 29. J) Dissolved oxygen, salt, water temperature, chemical contaminants
  30. 30. Into what major body of water do the rivers of Tidewater empty? <ul><li>Atlantic Ocean </li></ul><ul><li>Potomac River </li></ul><ul><li>Hampton Roads </li></ul><ul><li>Chesapeake Bay </li></ul>
  31. 31. D) Chesapeake Bay
  32. 32. Most of Virginia’s largest rivers flow - <ul><li>F) Southeast </li></ul><ul><li>G) Northwest </li></ul><ul><li>H) Southwest </li></ul><ul><li>J) North </li></ul>
  33. 33. H) Southwest
  34. 34. The water from Virginia’s rivers and streams ultimately ends up in the - <ul><li>Arctic Ocean </li></ul><ul><li>Atlantic Ocean </li></ul><ul><li>Gulf of Mexico </li></ul><ul><li>Pacific Ocean </li></ul>
  35. 35. B) Atlantic Ocean
  36. 36. A “divide” as it relates to water systems is - <ul><li>F) An imaginary line that separates two water systems </li></ul><ul><li>G) The place where rapids and waterfalls are found </li></ul><ul><li>H) A line that divides fresh water from salty water </li></ul><ul><li>J) A line that divides flowing water in half </li></ul>
  37. 37. F) An imaginary line that separates two water systems
  38. 38. Wetlands are extremely important for- <ul><li>Picnic areas </li></ul><ul><li>Water storage </li></ul><ul><li>Deep sea fishing </li></ul><ul><li>Water recreation </li></ul>
  39. 39. B) Water storage
  40. 40. An estuary is a - <ul><li>F) Freshwater wetland </li></ul><ul><li>G) Place where freshwater meets saltwater </li></ul><ul><li>H) Saltwater wetland </li></ul><ul><li>J)Freshwater pond </li></ul>
  41. 41. G) Place where freshwater meets saltwater
  42. 42. Estuaries are important to healthy watersheds because - <ul><li>They provide access to the open sea </li></ul><ul><li>They serve as spawning and nursery areas for lots of wildlife </li></ul><ul><li>They reduce surge from ocean storms </li></ul><ul><li>They are pretty to look at </li></ul>
  43. 43. B) They serve as spawning and nursery areas for lots of wildlife
  44. 44. The Chesapeake Bay is an example of a/an - <ul><li>F) Ocean </li></ul><ul><li>G) Estuary </li></ul><ul><li>H) River </li></ul><ul><li>J) Lake </li></ul>
  45. 45. G) Estuary
  46. 46. The greatest source of water pollution is - <ul><li>Agriculture </li></ul><ul><li>Fishing industry </li></ul><ul><li>Water sports </li></ul><ul><li>Aquatic organisms </li></ul>
  47. 47. A) Agriculture
  48. 48. When monitoring the water quality of a stream, which measure would be LEAST helpful? <ul><li>F) Flow </li></ul><ul><li>G) pH </li></ul><ul><li>H) Temperature </li></ul><ul><li>J) Salinity </li></ul>
  49. 49. A) Flow
  50. 50. To help control the nutrient pollution of the Chesapeake Bay watershed, which of the following is a practical solution? <ul><li>Keep farmers from using fertilizer in watershed areas </li></ul><ul><li>Set limits on how much fertilizer can be used </li></ul><ul><li>Ban the use of all fertilizer </li></ul><ul><li>Use time-released fertilizers in watershed areas </li></ul>
  51. 51. B) Set limits on how much fertilizer can be used
  52. 52. Recycling is often resisted by industry because - <ul><li>F) It is very expensive </li></ul><ul><li>G) It requires too much energy </li></ul><ul><li>H) It is not important </li></ul><ul><li>J) It is a hazard to the workplace </li></ul>
  53. 53. F) It is very expensive
  54. 54. The process in which water vapor, a gas, turns into a liquid is called - <ul><li>Sublimation </li></ul><ul><li>Condensation </li></ul><ul><li>Evaporation </li></ul><ul><li>Degasification </li></ul>
  55. 55. B) Condensation
  56. 56. Which of the following, when added to water in large amounts cause water pollution? <ul><li>I oxygen </li></ul><ul><li>II fertilizer A) I, III, V </li></ul><ul><li>III snow B) I, II, V, VI </li></ul><ul><li>IV hot water C) II, IV, V </li></ul><ul><li>V bacteria D) III, V, VI </li></ul><ul><li>VI sand </li></ul>
  57. 57. C) fertilizer, hot water, bacteria
  58. 58. During the process of evaporation, liquid water becomes - <ul><li>Tiny drops of water </li></ul><ul><li>Separate atoms of water </li></ul><ul><li>Molecules of water vapor </li></ul><ul><li>Atoms of hydrogen and oxygen </li></ul>
  59. 59. C) Molecule of water vapor
  60. 60. Which of these will cause water to change to ice? <ul><li>Removing heat from water </li></ul><ul><li>Stirring the water </li></ul><ul><li>Adding salt to the water </li></ul><ul><li>Putting the water in the sunlight </li></ul>
  61. 61. A) Removing heat from the water
  62. 62. Water is often found as a liquid, but it has two other states. Which variable affects the state of water? <ul><li>Temperature </li></ul><ul><li>Density </li></ul><ul><li>Charge </li></ul><ul><li>Volume </li></ul>
  63. 63. A) Temperature

×