1. Environment Test Review Test Date: Tuesday, April 22

2. What is the definition of an environment?

3. All of the living and nonliving things that surround you

4. What is an ecosystem?

5. A specified area in our environment containing living and nonliving things

6. What is the Greenhouse Effect?

7. A natural process that warms the Earth by trapping the sun’s heat

8. Are greenhouse gases good or bad?

9. A lot of greenhouse gases are a bad thing, but a few of them are good because they allow for the Greenhouse Effect to happen

10. What cause Greenhouse Gases to build up?

11. Fossil fuels such as oil, coal and natural gas being burned and they release Carbon Dioxide

12. What are examples of Greenhouse Gases?

13. Methane Carbon Dioxide Ammonia Sulfur Dioxide

14. What is the Ozone Layer?

15. The thin layer of gases in the stratosphere that is made up of the ozone gas

16. What is the chemical symbol for the Ozone Gas?

17. O3O3

18. Is the Ozone layer man-made or naturally occurring?

19. Naturally Occuring

20. What is the purpose of the Ozone Layer?

21. The Ozone Layer filters out the harmful UV Rays as they reach our atmosphere, but let through the warmth and visible light

22. Could life on Earth exist without the Ozone layer?

23. No

24. Is the Earth getting warmer or colder because of the increasing amount of Greenhouse Gas?

25. The Earth is getting warmer

26. What is water pollution?

27. Water being contaminated with harmful substances as a consequence of human activities.

28. What are three sources of water pollution?

29. 1. Factory Dumping 2. Oil Spills 3. Garbage 4. Fertilizers 5. Sewage and waste water

30. What are two effects of water pollution?

31. 1. Death of aquatic animals and plants 2. Disruptions of food chains 3. Diseases 4. Destruction of ecosystems

32. What is waste?

33. Anything that we throw away or get rid of that doesn’t get used

34. What are some things that create waste?

35. O Paper O Food scraps O Yard Waste O Glass O Metal O Plastic O Clothing O Wood O Packaging O Electronics

36. Where does the garbage we create go?

37. Trash is put into a dump or a landfill

38. What is a landfill?

39. A place where trash is left in one spot on top of the ground or in deep holes in the earth, which are filled with trash

40. Why is plastic such a problem?

41. On 8% gets recycled and the rest ends up in the garbage and doesn’t decompose

42. What is a natural resource?

43. Resource that come from the earth, but are not always found close to home

44. What is a renewable resource?

45. Resources that will not disappear as we use them

46. What is an example renewable resource?

47. 1. Wind 2. Solar Energy 3. Hydro Energy

48. What is a nonrenewable resource?

49. Resources that cannot replace themselves once they are gone

50. What is an example of a nonrenewable resource?

51. 1. Oil/Petroleum (gas, diesel, propane) 2. Natural Gas 3. Coal 4. Uranium

52. Why do we need to conserve our natural resources?

53. We protect animals and their habitats We provide a future for generations of people to come

54. Why does it mean to reduce something?

55. To make something smaller or use less of resulting in a smaller amount of waster

56. Why does it mean to reuse something?

57. We can reuse materials in original form instead of throwing them away Or Pass those materials onto someone who can use them

58. Why does it mean to recycle something?

59. Materials can be remade into the same kind of object or into something new

60. What is a habitat?

61. The natural home or environment of an animal, plant or organism

62. Why are we losing habitats?

63. 1. Global warming 2. Deforestation 3. Cutting down habitats for farmland 4. Water pollution

64. Why is a food chain?

65. The order in which organisms or living things depend on one another for food

66. What is a producer?

67. Organisms that produce their own food

68. What is an example producer?

69. Plants

70. What is a consumer?

71. Anything that eats plants and animals

72. What is are the three types of consumers?

73. Herbivores Carnivores Omnivores

74. What is an herbivore?

75. An animal that consumes only plants

76. What is an omnivore?

77. An animal that consumes both plants and animals

78. What is an carnivore?

79. Consumes only meat

80. What happens if something in a food chain disappears?

81. It causes problems for all of the other animals on the food chain

82. What is a food web?

83. A food web is a group of food chains within an ecosystem