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Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
Science Benchmark 2 Review
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Science Benchmark 2 Review

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Benchmark Review - Science

Benchmark Review - Science

Published in: Technology, Business
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  • 1. Science: Benchmark #2 Review Water and Watersheds SOL 6.1, 6.5 a-c, e-f
  • 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. B) It can dissolve lots of other substances
  • 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. H) One side of the molecule is negative and the other is positive.
  • 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. A) The negatively charged oxygen end of the molecule is attracted to the positively charged hydrogen end of the molecule.
  • 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. G) Solid
  • 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. C) Gas
  • 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. G) Ice is less dense than liquid water
  • 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. C) Chemical Weathering
  • 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. G) Physical Weathering
  • 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. A) Watering the yard in the summer
  • 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. H) Water is an important source of recreation.
  • 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. B) The oceans
  • 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. F) Polar icecaps
  • 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. C) Oxygen
  • 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. J) Dissolved oxygen, salt, water temperature, chemical contaminants
  • 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. D) Chesapeake Bay
  • 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. H) Southwest
  • 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. B) Atlantic Ocean
  • 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. F) An imaginary line that separates two water systems
  • 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. B) Water storage
  • 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. G) Place where freshwater meets saltwater
  • 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. B) They serve as spawning and nursery areas for lots of wildlife
  • 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. G) Estuary
  • 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. A) Agriculture
  • 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. A) Flow
  • 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. B) Set limits on how much fertilizer can be used
  • 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. F) It is very expensive
  • 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. B) Condensation
  • 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. C) fertilizer, hot water, bacteria
  • 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. C) Molecule of water vapor
  • 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. A) Removing heat from the water
  • 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. A) Temperature

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