Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 200 · 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: ocean wave energy is a renewable energy source. (a) False (b) True
2. 2.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) recycle (c) reduce
3. 3.True or false: wind is a non-renewable energy source. (a) False (b) True
4. 4.♻️ 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?
5. 5.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
6. 6.True or false: natural gas is a renewable energy source. (a) False (b) True
7. 7.Which of these is reuse (use again)? (a) print on both sides (b) carry a cloth bag (c) give old books away (d) switch off unused lights
8. 8.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
9. 9.Which of these is recycle (make new things)? (a) use a jar as a pen stand (b) reuse gift paper (c) plant in old tyres (d) melt cans into new cans
10. 10.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
11. 11.Which of these is recycle (make new things)? (a) refill a water bottle (b) reuse gift paper (c) turn plastic into tiles (d) carry a cloth bag
12. 12.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
13. 13.True or false: sunlight is a renewable energy source. (a) False (b) True
14. 14.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
15. 15.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
16. 16.Which of these is reduce (use less)? (a) pulp old paper (b) give old books away (c) print on both sides (d) melt cans into new cans
17. 17.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
18. 18.♻️ Reduce, reuse or recycle: print on both sides? (a) reduce (b) reuse (c) recycle
19. 19.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) recycle, reuse, reduce
20. 20.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
21. 21.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.Which of these is recycle (make new things)? (a) refill a water bottle (b) pulp old paper (c) give old books away (d) switch off unused lights
23. 23.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
24. 24.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
25. 25.True or false: diesel is a renewable energy source. (a) False (b) True
26. 26.♻️ A project report has 48 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ A project report has 40 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
30. 30.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
31. 31.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?
32. 32.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
33. 33.Which of these is reduce (use less)? (a) carry a cloth bag (b) reuse gift paper (c) melt cans into new cans (d) refill a water bottle
34. 34.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
35. 35.True or false: flowing river water is a renewable energy source. (a) True (b) False
36. 36.True or false: diesel is a non-renewable energy source. (a) True (b) False
37. 37.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) reuse (c) recycle
38. 38.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 300 bottles?
39. 39.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
40. 40.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4500 bottles?

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