Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 470 · 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.True or false: biogas from waste is a renewable energy source. (a) True (b) False
2. 2.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reuse (c) reduce
3. 3.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
4. 4.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2750 bottles?
5. 5.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) reduce, reuse, recycle (d) recycle, reuse, reduce
6. 6.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
7. 7.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
8. 8.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 400 bottles?
9. 9.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 600 bottles?
10. 10.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) wastes water (d) protects the future
11. 11.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reduce (c) reuse
12. 12.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.True or false: sunlight is a non-renewable energy source. (a) True (b) False
14. 14.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
15. 15.Which of these is reuse (use again)? (a) plant in old tyres (b) carry a cloth bag (c) switch off unused lights (d) melt cans into new cans
16. 16.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
17. 17.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reduce (c) reuse
18. 18.Which of these is recycle (make new things)? (a) refill a water bottle (b) switch off unused lights (c) melt cans into new cans (d) plant in old tyres
19. 19.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
20. 20.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
21. 21.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
22. 22.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True
23. 23.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3300 bottles?
24. 24.True or false: diesel is a renewable energy source. (a) True (b) False
25. 25.Which of these is recycle (make new things)? (a) switch off unused lights (b) melt glass into new jars (c) refill a water bottle (d) carry a cloth bag
26. 26.True or false: coal is a renewable energy source. (a) True (b) False
27. 27.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
28. 28.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
29. 29.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
30. 30.Which of these is reduce (use less)? (a) print on both sides (b) refill a water bottle (c) melt glass into new jars (d) melt cans into new cans
31. 31.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
32. 32.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
33. 33.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
35. 35.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
36. 36.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) sunlight (d) coal
37. 37.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) recycle (c) reduce
38. 38.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
39. 39.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
40. 40.True or false: wind is a renewable energy source. (a) False (b) True

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