Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 43 · 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 school bench is made from 200 recycled plastic bottles. How many benches can be made from 2400 bottles?
2. 2.♻️ 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
3. 3.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
4. 4.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
5. 5.♻️ 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?
6. 6.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
7. 7.True or false: sunlight is a renewable energy source. (a) True (b) False
8. 8.Which of these is reuse (use again)? (a) pulp old paper (b) refill a water bottle (c) print on both sides (d) melt cans into new cans
9. 9.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) reuse (c) recycle
10. 10.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
11. 11.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
12. 12.♻️ A project report has 78 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
13. 13.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
15. 15.True or false: petrol is a non-renewable energy source. (a) False (b) True
16. 16.Which of these is reuse (use again)? (a) switch off unused lights (b) buy less packaging (c) plant in old tyres (d) print on both sides
17. 17.♻️ A project report has 90 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.♻️ A sustainable design … (a) protects the future (b) lasts one day (c) wastes water (d) uses the most plastic
19. 19.♻️ Is sunlight 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.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
22. 22.♻️ Which energy source will never run out? (a) sunlight (b) diesel (c) coal (d) petrol
23. 23.True or false: petrol is a renewable energy source. (a) False (b) True
24. 24.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
25. 25.True or false: diesel is a non-renewable energy source. (a) False (b) True
26. 26.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
27. 27.♻️ A project report has 80 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ A project report has 88 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
30. 30.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
31. 31.♻️ A project report has 26 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
32. 32.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
33. 33.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 3150 bottles?
34. 34.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
35. 35.Which of these is reduce (use less)? (a) reuse gift paper (b) melt glass into new jars (c) carry a cloth bag (d) turn plastic into tiles
36. 36.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
37. 37.Which of these is reuse (use again)? (a) switch off unused lights (b) melt cans into new cans (c) reuse gift paper (d) turn plastic into tiles
38. 38.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
39. 39.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
40. 40.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable

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