7.6.2 Organic: Question Preview (ID: 25173)


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21. Will carbon ever disappear?
a) No! There is a finite amount that will be used up by 2025. b) Yes! There is a finite amount that we continually recycle. c) No! There is a finite amount that we continually recycle. d) Yes! There is a finite amount that will be used up by 2025.
18. Microscopic decomposers found everywhere are called ____________________________________.
a) bacteria b) fungi c) small animals d) producers
20. How is carbon recycled through an ecosystem?
a) By being used multiple times in the same form b) its not recycled c) By continually changing form. d) By continually using less and less of it
10. What type of decomposers are found in Compost bins?
a) bacteria, small animals, and fungi b) bacteria, small animal, and birds c) small animals, fungi and zombies d) small animals, fungi and birds
11. Microscopic decomposers found everywhere are called _________________
a) fungi b) bacteria c) small animals d) scavengers
19. What role does a decomposer play in the ecosystem?
a) A decomposer helps decay the matter into its larger parts. b) A decomposer helps stop nutrients movement in food webs. c) A decomposer helps decay the matter into its smallest parts. d) A decomposer helps loosen the soil so air can NOT circulate.
14. In a composting bin, what happens to the elements in the food and garden waste?
a) hydron and nitrogen are released. b) oxygen and nitrogen are released. c) Carbon and oxygen are released. d) Carbon and nitrogen are released.
16. What are we practicing when we compost?
a) reducing b) reusing c) disposing d) Recycling
17. What type of decomposer is growing on the tree?
a) Fungi/ mushrooms b) Bacteria / mushrooms c) small animals / bird d) bacteria / acorns
12. What decomposer aerates the soil?
a) worms b) mushrooms c) birds d) fungi
13. What type of kitchen waste makes up the biomass in a composting bin?
a) Food scraps, coffee grounds, and egg shells b) Food scraps, bleach, and mayo c) Food scraps, coffee grounds, and whole eggs d) Food scraps, coffee grounds, and milk
15. What type of matter is garden waste, grass clippings and food waste?
a) inorganic, AKA biomass. b) Organic, AKA biomass. c) jon is the best d) trash AKA disposable
8. When a plant or animal dies, its matter is broken down into _________________________________ to enrich the soil.
a) nutrients b) inorganic c) dirt d) protiens
7. What is biomass broken down into?
a) dirt b) nutrients c) inorganic d) protien
5. The chemical symbol for carbon is ____________.
a) C b) Ca c) Cb d) Bn
6. What type of matter is biomass?
a) 0rganic b) inorganic c) protien d) carbs
1. All matter has
a) Mass and volume b) area and weight c) space and size d) mass and area
2. The tool used to measure mass is the ____________________.
a) triple bean balance b) double bean balnce c) graduated cyclinder d) beaker
3. There is a finite amount of matter on our plant. As a result we have to ______________________ the matter.
a) reduce b) reuse c) recycle d) dispose
4. Organic compounds contain the element ___________________________________________________.
a) oxygen b) nitrogen c) Carbon d) organs
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