Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 179 · 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 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
2. 2.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) plant in old tyres (c) switch off unused lights (d) reuse gift paper
3. 3.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
4. 4.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
5. 5.True or false: natural gas is a renewable energy source. (a) False (b) True
6. 6.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
7. 7.True or false: wind is a renewable energy source. (a) False (b) True
8. 8.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.True or false: coal is a non-renewable energy source. (a) False (b) True
10. 10.♻️ A project report has 96 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
11. 11.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) reduce (c) recycle
12. 12.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) print on both sides (c) buy less packaging (d) fix a dripping tap
13. 13.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
14. 14.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
15. 15.True or false: wind is a non-renewable energy source. (a) True (b) False
16. 16.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 600 bottles?
17. 17.Which of these is reduce (use less)? (a) melt cans into new cans (b) pulp old paper (c) turn plastic into tiles (d) fix a dripping tap
18. 18.♻️ A project report has 70 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
19. 19.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
20. 20.Which of these is reduce (use less)? (a) reuse gift paper (b) plant in old tyres (c) carry a cloth bag (d) turn plastic into tiles
21. 21.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) recycle (c) reuse
22. 22.♻️ Which energy source will never run out? (a) coal (b) petrol (c) diesel (d) sunlight
23. 23.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.Which of these is reuse (use again)? (a) buy less packaging (b) pulp old paper (c) refill a water bottle (d) carry a cloth bag
25. 25.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reuse, recycle, reduce (c) burn, bury, forget (d) reduce, reuse, recycle
26. 26.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 900 bottles?
27. 27.True or false: flowing river water is a renewable energy source. (a) False (b) True
28. 28.True or false: sunlight is a non-renewable energy source. (a) True (b) False
29. 29.Which of these is reuse (use again)? (a) switch off unused lights (b) fix a dripping tap (c) melt cans into new cans (d) plant in old tyres
30. 30.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
31. 31.True or false: petrol is a non-renewable energy source. (a) False (b) True
32. 32.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
33. 33.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.Which of these is recycle (make new things)? (a) buy less packaging (b) pulp old paper (c) plant in old tyres (d) reuse gift paper
35. 35.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
36. 36.Which of these is reduce (use less)? (a) buy less packaging (b) plant in old tyres (c) melt cans into new cans (d) turn plastic into tiles
37. 37.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
38. 38.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reduce (c) reuse
39. 39.♻️ A sustainable design … (a) uses the most plastic (b) protects the future (c) lasts one day (d) wastes water
40. 40.True or false: natural gas is a non-renewable energy source. (a) False (b) True

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