Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 828 · 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: switch off unused lights? (a) recycle (b) reuse (c) reduce
2. 2.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 900 bottles?
3. 3.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2100 bottles?
4. 4.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2400 bottles?
5. 5.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
6. 6.♻️ A sustainable design … (a) uses the most plastic (b) wastes water (c) lasts one day (d) protects the future
7. 7.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) burn, bury, forget (c) recycle, reuse, reduce (d) reuse, recycle, reduce
8. 8.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.Which of these is recycle (make new things)? (a) refill a water bottle (b) melt glass into new jars (c) give old books away (d) buy less packaging
10. 10.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
11. 11.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
12. 12.True or false: sunlight is a non-renewable energy source. (a) False (b) True
13. 13.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
14. 14.True or false: diesel is a renewable energy source. (a) True (b) False
15. 15.True or false: wind is a renewable energy source. (a) True (b) False
16. 16.♻️ Which energy source will never run out? (a) sunlight (b) coal (c) petrol (d) diesel
17. 17.Which of these is recycle (make new things)? (a) plant in old tyres (b) reuse gift paper (c) give old books away (d) pulp old paper
18. 18.True or false: coal is a renewable energy source. (a) False (b) True
19. 19.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
20. 20.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
21. 21.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reuse (c) reduce
22. 22.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
23. 23.True or false: biogas from waste is a renewable energy source. (a) True (b) False
24. 24.True or false: flowing river water is a renewable energy source. (a) True (b) False
25. 25.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 700 bottles?
26. 26.True or false: petrol is a non-renewable energy source. (a) True (b) False
27. 27.True or false: sunlight is a renewable energy source. (a) True (b) False
28. 28.Which of these is reuse (use again)? (a) turn plastic into tiles (b) give old books away (c) buy less packaging (d) fix a dripping tap
29. 29.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
30. 30.♻️ A project report has 54 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
32. 32.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3200 bottles?
33. 33.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) print on both sides (c) refill a water bottle (d) reuse gift paper
34. 34.♻️ A project report has 46 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
35. 35.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
36. 36.Which of these is reduce (use less)? (a) give old books away (b) turn plastic into tiles (c) plant in old tyres (d) carry a cloth bag
37. 37.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
38. 38.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
39. 39.True or false: natural gas is a non-renewable energy source. (a) False (b) True
40. 40.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?

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