Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 909 · 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.♻️ 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?
2. 2.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
3. 3.♻️ A project report has 58 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
4. 4.True or false: natural gas is a renewable energy source. (a) False (b) True
5. 5.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
6. 6.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) recycle, reuse, reduce
7. 7.♻️ Which energy source will never run out? (a) sunlight (b) petrol (c) diesel (d) coal
8. 8.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) recycle (c) reuse
9. 9.Which of these is reduce (use less)? (a) plant in old tyres (b) turn plastic into tiles (c) switch off unused lights (d) give old books away
10. 10.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
11. 11.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
12. 12.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
13. 13.♻️ A project report has 62 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
14. 14.Which of these is recycle (make new things)? (a) carry a cloth bag (b) reuse gift paper (c) pulp old paper (d) print on both sides
15. 15.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
16. 16.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
17. 17.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
18. 18.Which of these is reuse (use again)? (a) fix a dripping tap (b) buy less packaging (c) reuse gift paper (d) carry a cloth bag
19. 19.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.True or false: sunlight is a non-renewable energy source. (a) True (b) False
21. 21.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
22. 22.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
23. 23.Which of these is recycle (make new things)? (a) give old books away (b) fix a dripping tap (c) melt glass into new jars (d) plant in old tyres
24. 24.True or false: coal is a non-renewable energy source. (a) False (b) True
25. 25.Which of these is reduce (use less)? (a) reuse gift paper (b) pulp old paper (c) fix a dripping tap (d) melt glass into new jars
26. 26.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1800 bottles?
27. 27.Which of these is reuse (use again)? (a) turn plastic into tiles (b) pulp old paper (c) refill a water bottle (d) buy less packaging
28. 28.True or false: wind is a non-renewable energy source. (a) False (b) True
29. 29.♻️ A project report has 74 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
30. 30.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2000 bottles?
31. 31.True or false: biogas from waste is a renewable energy source. (a) True (b) False
32. 32.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.Which of these is reuse (use again)? (a) turn plastic into tiles (b) plant in old tyres (c) carry a cloth bag (d) fix a dripping tap
34. 34.Which of these is reduce (use less)? (a) plant in old tyres (b) carry a cloth bag (c) refill a water bottle (d) pulp old paper
35. 35.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True
36. 36.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
37. 37.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
38. 38.♻️ A project report has 12 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) reduce (c) recycle
40. 40.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1600 bottles?

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