Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 541 · 40 questions

Engineer's tip (Reduce, reuse, recycle): Reduce = use less · reuse = use again · recycle = break down and remake. Renewable: sun, wind, water, biogas, waves. Non-renewable: coal, petrol, diesel, natural gas. Count savings with × and ÷: bags per week × weeks, bottles ÷ bottles per bench.

1. 1.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
2. 2.Which of these is reuse (use again)? (a) melt cans into new cans (b) carry a cloth bag (c) switch off unused lights (d) refill a water bottle
3. 3.♻️ Which energy source will never run out? (a) diesel (b) petrol (c) coal (d) sunlight
4. 4.♻️ A project report has 60 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
5. 5.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) recycle (c) reuse
6. 6.True or false: diesel is a renewable energy source. (a) True (b) False
7. 7.Which of these is reuse (use again)? (a) print on both sides (b) switch off unused lights (c) melt cans into new cans (d) give old books away
8. 8.True or false: biogas from waste is a renewable energy source. (a) False (b) True
9. 9.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.Which of these is recycle (make new things)? (a) refill a water bottle (b) carry a cloth bag (c) pulp old paper (d) fix a dripping tap
11. 11.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1200 bottles?
12. 12.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
13. 13.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ A sustainable design … (a) wastes water (b) uses the most plastic (c) lasts one day (d) protects the future
15. 15.Which of these is reuse (use again)? (a) switch off unused lights (b) melt cans into new cans (c) plant in old tyres (d) carry a cloth bag
16. 16.♻️ A project report has 74 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
17. 17.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4800 bottles?
18. 18.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
20. 20.Which of these is reduce (use less)? (a) print on both sides (b) refill a water bottle (c) use a jar as a pen stand (d) pulp old paper
21. 21.True or false: coal is a renewable energy source. (a) True (b) False
22. 22.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
23. 23.Which of these is recycle (make new things)? (a) reuse gift paper (b) turn plastic into tiles (c) refill a water bottle (d) print on both sides
24. 24.Which of these is reduce (use less)? (a) plant in old tyres (b) pulp old paper (c) use a jar as a pen stand (d) switch off unused lights
25. 25.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
26. 26.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce
27. 27.True or false: sunlight is a renewable energy source. (a) True (b) False
28. 28.True or false: coal is a non-renewable energy source. (a) False (b) True
29. 29.Which of these is reduce (use less)? (a) pulp old paper (b) reuse gift paper (c) give old books away (d) fix a dripping tap
30. 30.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
31. 31.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
32. 32.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reuse (c) reduce
33. 33.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
34. 34.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
35. 35.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
36. 36.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
37. 37.♻️ A project report has 92 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
38. 38.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
39. 39.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
40. 40.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?

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