Environmental - Decomposition of Everyday Items(Extended)

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Quiz Questions

1. Approximately how long can an apple core take to decompose in a compost pile?

1 to 2 days 2 weeks to 2 months 1 to 2 years 10 years

Difficulty: Easy

2. Approximately how long can an apple core take to decompose in a natural outdoor environment?

1 to 6 months 1 to 2 years 10 to 20 years 80 to 200 years

Difficulty: Easy

3. Approximately how long may a banana peel take to decompose in compost conditions?

2 to 5 weeks 1 to 2 years 10 to 15 years 250 to 500 years

Difficulty: Easy

4. Approximately how long may a banana peel take to decompose in natural outdoor conditions?

2 weeks 1 to 2 months 1 to 2 years 10 years

Difficulty: Easy

5. Why do banana peels break down slower outdoors?

They contain metal compounds Waxes and fibers resist decomposition They are made from synthetic plastic They do not contain moisture

Difficulty: Medium

6. Approximately how long can a mango peel take to decompose in a compost pile?

1 to 3 months 6 months to 2 years 10 to 20 years 450 years or more

Difficulty: Medium

7. Approximately how long can a mango peel take to decompose in a natural environment?

2 to 5 weeks 1 to 3 months 6 months to 2 years 20 to 200 years

Difficulty: Medium

8. Why do mango peels often decompose slower than many fruit peels?

They are thicker and more fibrous They are made of glass-like material They contain aluminum They are always plastic-coated

Difficulty: Medium

9. Approximately how long can orange or citrus peels take to decompose?

1 week to 1 month 2 to 4 months 6 months to 2 years 10 years

Difficulty: Medium

10. Why do citrus peels often decompose slowly?

They contain metal compounds They are waterproof Citrus oils resist microbial breakdown They freeze easily

Difficulty: Medium

11. Approximately how long can bread take to decompose?

A few days to several weeks 1 to 3 years 10 to 15 years 450 years or more

Difficulty: Easy

12. Why does bread usually decompose quickly when moist?

It molds quickly It is made of metal It contains synthetic fibers It is chemically preserved forever

Difficulty: Easy

13. Approximately how long can eggshells take to decompose?

2 to 4 weeks 1 to 3 years 10 to 20 years 250 to 500 years

Difficulty: Medium

14. What are eggshells mostly made of, causing them to break down slowly?

Cellulose acetate Calcium carbonate Expanded polystyrene Polyester

Difficulty: Medium

15. Approximately how long can newspaper take to decompose?

2 to 6 weeks 2 months to 1 year 50 years 1 million years or more

Difficulty: Easy

16. Approximately how long can cardboard take to decompose?

2 to 6 weeks 2 months to 1 year 10 to 20 years 80 to 200 years

Difficulty: Easy

17. What type of cardboard takes longer to decompose?

Plain thin cardboard Wax-coated cardboard Wet cardboard Unprinted cardboard

Difficulty: Medium

18. Approximately how long can a paper towel take to decompose?

1 to 2 years 2 to 4 weeks 5 to 10 years 100 years

Difficulty: Easy

19. Approximately how long can a plastic grocery bag take to begin fragmenting?

1 to 2 months 2 to 5 years 10 to 20 years 500 years

Difficulty: Medium

20. What may happen to a plastic grocery bag over hundreds of years?

It may turn into clean soil It may continue breaking into smaller plastic fragments It may become glass It may fully compost in days

Difficulty: Medium

21. Approximately how long can a PET plastic bottle take to decompose?

20 years 80 years 450 years or more 1 million years

Difficulty: Easy

22. What common items are often made from PET plastic?

Water and soda bottles Cotton shirts Eggshells Untreated wood

Difficulty: Easy

23. Approximately how long may Styrofoam or expanded polystyrene persist?

5 years 50 years 500 years or more 20 years

Difficulty: Medium

24. How is expanded polystyrene often described in normal environments?

Fast-composting Effectively non-biodegradable Naturally edible Completely dissolved by rain

Difficulty: Hard

25. How long may bioplastics or compostable plastics take in industrial composting?

3 to 6 months 10 to 20 years 80 to 200 years 1 million years or more

Difficulty: Medium

26. Why may compostable plastics persist for years in natural environments?

They often need commercial or industrial composting conditions They are made entirely of iron They instantly turn into glass They require freezing to break down

Difficulty: Hard

27. Approximately how long can an aluminum can take to decompose?

2 to 5 years 10 to 20 years 80 to 200 years 500 years

Difficulty: Medium

28. What is true about aluminum even though it decomposes slowly?

It is highly recyclable It disappears in days It is made of paper It cannot be reused

Difficulty: Easy

29. Approximately how long can a steel or tin can take to decompose?

1 year 10 years Approximately 50 years 500 years

Difficulty: Medium

30. What can slow the rusting or breakdown of steel and tin cans?

Protective coatings Fruit sugars Paper fibers Citrus oils

Difficulty: Medium

31. Approximately how long can iron take to decompose or rust away depending on moisture?

2 to 6 weeks 10 to 100 years 250 to 500 years 1 million years or more

Difficulty: Medium

32. What environmental condition can make iron rust relatively quickly?

Wet environments Total dryness Vacuum sealing No contact with air

Difficulty: Easy

33. Approximately how long can a glass bottle take to decompose?

500 years 10,000 years 1 million years or more 100 years

Difficulty: Hard

34. What is true about glass recycling?

Glass is technically recyclable indefinitely Glass can only be recycled once Glass turns into plastic Glass decomposes in weeks

Difficulty: Medium

35. Approximately how long can a cotton shirt take to decompose?

1 to 5 months 1 to 5 years 20 to 200 years 500 years

Difficulty: Easy

36. Why do natural fibers like cotton usually decompose relatively quickly?

They are natural fibers They are synthetic plastics They are made from aluminum They are glass-based

Difficulty: Easy

37. Approximately how long can wool take to decompose?

1 to 5 months 1 to 5 years 20 to 200 years 250 to 500 years

Difficulty: Medium

38. What affects how quickly wool decomposes?

Thickness and environmental conditions Whether it is made of glass The color of the fabric only The brand name

Difficulty: Medium

39. Approximately how long can polyester clothing take to decompose?

1 to 5 months 20 to 200 years 500 years 10 years

Difficulty: Medium

40. Synthetic fibers such as polyester behave similarly to what material?

Plastics Untreated wood Fresh bread Eggshells

Difficulty: Easy

41. Approximately how long can untreated wood take to decompose?

1 to 3 months 1 to 3 years 10 to 20 years 100 years

Difficulty: Easy

42. What can accelerate the decomposition of untreated wood?

Moisture and fungi Plastic coating Chemical preservatives Lack of oxygen

Difficulty: Easy

43. How long can treated lumber take to decay?

A few days 2 to 4 weeks Decades 1 million years

Difficulty: Medium

44. What slows the decay of treated lumber?

Cold temperatures Chemical preservatives Sunlight Salt water

Difficulty: Easy

45. Approximately how long can cigarette filters take to decompose?

1 to 2 years 5 years 10 to 15 years 100 years

Difficulty: Medium

46. Many cigarette filters are made from what material?

Cellulose acetate plastic Pure cotton only Aluminum oxide Untreated wood

Difficulty: Medium

47. Approximately how long can disposable diapers take to decompose?

20 to 40 years 100 years 250 to 500 years 1 million years

Difficulty: Hard

48. What materials contribute to disposable diapers decomposing slowly?

Plastics, absorbent polymers, and synthetic materials Only untreated wood Only newspaper Only citrus oils

Difficulty: Hard

49. Approximately how long can plastic-based wet wipes take to decompose?

2 to 4 weeks 1 to 3 years Approximately 100 years 1 million years or more

Difficulty: Hard

50. Many flushable wipes contain what kind of fibers?

Synthetic fibers Iron fibers Glass fibers only Pure eggshell fibers

Difficulty: Medium

51. Which condition is one factor that affects decomposition time?

Moisture levels The item name alphabetically The package logo The store it came from

Difficulty: Easy

52. What is an important note about biodegradable items?

Biodegradable does not always mean fast decomposition Biodegradable always means instant decomposition Biodegradable items never decompose Biodegradable only applies to metal

Difficulty: Medium

53. What usually happens to plastic instead of fully biodegrading?

It evaporates It dissolves into water It fragments into microplastics It becomes soil immediately

Difficulty: Easy

54. Why can landfills slow decomposition?

Landfills are too hot Too much sunlight Lack of oxygen can preserve materials Microbes are removed

Difficulty: Medium

55. What dramatically speeds up decomposition?

Freezing Vacuum sealing Composting Plastic wrapping

Difficulty: Easy

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