Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 488 · 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.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
2. 2.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
3. 3.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
5. 5.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1200 bottles?
6. 6.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
7. 7.True or false: flowing river water is a renewable energy source. (a) False (b) True
8. 8.Which of these is reduce (use less)? (a) reuse gift paper (b) melt cans into new cans (c) switch off unused lights (d) give old books away
9. 9.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
10. 10.Which of these is reduce (use less)? (a) give old books away (b) use a jar as a pen stand (c) carry a cloth bag (d) plant in old tyres
11. 11.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
12. 12.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
13. 13.True or false: wind is a non-renewable energy source. (a) False (b) True
14. 14.True or false: diesel is a non-renewable energy source. (a) False (b) True
15. 15.True or false: sunlight is a non-renewable energy source. (a) True (b) False
16. 16.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
17. 17.♻️ A project report has 38 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
19. 19.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) reduce (c) recycle
20. 20.Which of these is reuse (use again)? (a) switch off unused lights (b) buy less packaging (c) use a jar as a pen stand (d) melt glass into new jars
21. 21.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reuse (c) reduce
23. 23.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reduce (c) reuse
24. 24.Which of these is recycle (make new things)? (a) give old books away (b) print on both sides (c) carry a cloth bag (d) melt glass into new jars
25. 25.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
26. 26.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
27. 27.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reduce (c) reuse
28. 28.True or false: petrol is a renewable energy source. (a) False (b) True
29. 29.♻️ Which energy source will never run out? (a) sunlight (b) petrol (c) coal (d) diesel
30. 30.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 2100 bottles?
31. 31.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1200 bottles?
32. 32.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) reuse (c) recycle
33. 33.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
34. 34.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
35. 35.♻️ A project report has 14 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
36. 36.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 2450 bottles?
37. 37.Which of these is recycle (make new things)? (a) buy less packaging (b) print on both sides (c) switch off unused lights (d) pulp old paper
38. 38.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
39. 39.True or false: biogas from waste is a renewable energy source. (a) False (b) True
40. 40.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable

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