Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 719 · 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.Which of these is recycle (make new things)? (a) reuse gift paper (b) buy less packaging (c) carry a cloth bag (d) melt cans into new cans
2. 2.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
3. 3.True or false: wind is a renewable energy source. (a) True (b) False
4. 4.True or false: flowing river water is a renewable energy source. (a) True (b) False
5. 5.True or false: sunlight is a renewable energy source. (a) True (b) False
6. 6.♻️ 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?
7. 7.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
8. 8.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
10. 10.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 1500 bottles?
11. 11.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 800 bottles?
12. 12.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.True or false: coal 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 5 weeks?
15. 15.Which of these is reuse (use again)? (a) print on both sides (b) buy less packaging (c) switch off unused lights (d) give old books away
16. 16.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) recycle (c) reduce
17. 17.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
18. 18.Which of these is reuse (use again)? (a) melt glass into new jars (b) carry a cloth bag (c) reuse gift paper (d) melt cans into new cans
19. 19.Which of these is reduce (use less)? (a) reuse gift paper (b) give old books away (c) carry a cloth bag (d) plant in old tyres
20. 20.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
22. 22.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
23. 23.♻️ A sustainable design … (a) lasts one day (b) wastes water (c) protects the future (d) uses the most plastic
24. 24.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce
25. 25.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
26. 26.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
27. 27.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
29. 29.Which of these is recycle (make new things)? (a) reuse gift paper (b) pulp old paper (c) refill a water bottle (d) switch off unused lights
30. 30.♻️ Which energy source will never run out? (a) sunlight (b) coal (c) diesel (d) petrol
31. 31.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
32. 32.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) recycle, reuse, reduce
33. 33.Which of these is reuse (use again)? (a) melt cans into new cans (b) refill a water bottle (c) buy less packaging (d) pulp old paper
34. 34.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.Which of these is recycle (make new things)? (a) give old books away (b) fix a dripping tap (c) turn plastic into tiles (d) refill a water bottle
36. 36.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
37. 37.True or false: natural gas is a non-renewable energy source. (a) True (b) False
38. 38.Which of these is reuse (use again)? (a) melt cans into new cans (b) use a jar as a pen stand (c) turn plastic into tiles (d) switch off unused lights
39. 39.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
40. 40.♻️ A project report has 38 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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