Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 224 · 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: carry a cloth bag? (a) reuse (b) recycle (c) reduce
2. 2.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
3. 3.True or false: natural gas is a non-renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) reduce (c) recycle
5. 5.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reduce, reuse, recycle (d) reuse, recycle, reduce
6. 6.♻️ Which energy source will never run out? (a) coal (b) petrol (c) diesel (d) sunlight
7. 7.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
8. 8.Which of these is reuse (use again)? (a) buy less packaging (b) print on both sides (c) turn plastic into tiles (d) reuse gift paper
9. 9.True or false: sunlight is a renewable energy source. (a) True (b) False
10. 10.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
11. 11.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) reuse (c) recycle
12. 12.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
13. 13.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reduce (c) reuse
14. 14.True or false: diesel is a renewable energy source. (a) True (b) False
15. 15.Which of these is reuse (use again)? (a) melt glass into new jars (b) use a jar as a pen stand (c) switch off unused lights (d) pulp old paper
16. 16.Which of these is reuse (use again)? (a) melt cans into new cans (b) pulp old paper (c) print on both sides (d) give old books away
17. 17.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1800 bottles?
18. 18.♻️ A sustainable design … (a) uses the most plastic (b) protects the future (c) lasts one day (d) wastes water
19. 19.Which of these is reduce (use less)? (a) carry a cloth bag (b) use a jar as a pen stand (c) plant in old tyres (d) melt glass into new jars
20. 20.True or false: coal is a renewable energy source. (a) True (b) False
21. 21.Which of these is reduce (use less)? (a) reuse gift paper (b) give old books away (c) print on both sides (d) melt cans into new cans
22. 22.Which of these is reduce (use less)? (a) give old books away (b) turn plastic into tiles (c) buy less packaging (d) refill a water bottle
23. 23.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
24. 24.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
25. 25.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1050 bottles?
26. 26.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
27. 27.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.♻️ A project report has 60 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.Which of these is reduce (use less)? (a) switch off unused lights (b) turn plastic into tiles (c) pulp old paper (d) plant in old tyres
30. 30.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) reduce (c) recycle
31. 31.Which of these is reuse (use again)? (a) plant in old tyres (b) melt cans into new cans (c) switch off unused lights (d) carry a cloth bag
32. 32.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.♻️ 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?
34. 34.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) recycle (c) reuse
35. 35.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) reuse (c) recycle
36. 36.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
37. 37.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2400 bottles?
38. 38.♻️ A project report has 66 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ A project report has 22 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4050 bottles?

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