Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 322 · 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: plant in old tyres? (a) reuse (b) reduce (c) recycle
2. 2.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 450 bottles?
3. 3.True or false: sunlight is a renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
5. 5.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reduce (c) reuse
6. 6.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reduce (c) reuse
7. 7.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
8. 8.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
9. 9.True or false: petrol is a renewable energy source. (a) False (b) True
10. 10.Which of these is reduce (use less)? (a) melt glass into new jars (b) pulp old paper (c) turn plastic into tiles (d) buy less packaging
11. 11.Which of these is reduce (use less)? (a) reuse gift paper (b) turn plastic into tiles (c) use a jar as a pen stand (d) fix a dripping tap
12. 12.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 3000 bottles?
13. 13.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reuse, recycle, reduce (c) burn, bury, forget (d) reduce, reuse, recycle
14. 14.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
15. 15.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
16. 16.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.True or false: coal is a non-renewable energy source. (a) True (b) False
18. 18.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
20. 20.True or false: natural gas is a renewable energy source. (a) True (b) False
21. 21.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
22. 22.Which of these is recycle (make new things)? (a) buy less packaging (b) refill a water bottle (c) switch off unused lights (d) pulp old paper
23. 23.Which of these is reuse (use again)? (a) melt glass into new jars (b) switch off unused lights (c) fix a dripping tap (d) reuse gift paper
24. 24.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
25. 25.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
26. 26.♻️ A project report has 32 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 400 bottles?
28. 28.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) uses the most plastic (d) protects the future
29. 29.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
30. 30.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 2450 bottles?
31. 31.Which of these is recycle (make new things)? (a) print on both sides (b) melt glass into new jars (c) give old books away (d) use a jar as a pen stand
32. 32.♻️ A project report has 12 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
33. 33.True or false: sunlight is a non-renewable energy source. (a) True (b) False
34. 34.Which of these is recycle (make new things)? (a) refill a water bottle (b) fix a dripping tap (c) reuse gift paper (d) melt cans into new cans
35. 35.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 900 bottles?
36. 36.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
37. 37.Which of these is reduce (use less)? (a) give old books away (b) carry a cloth bag (c) use a jar as a pen stand (d) reuse gift paper
38. 38.Which of these is reuse (use again)? (a) give old books away (b) switch off unused lights (c) buy less packaging (d) print on both sides
39. 39.True or false: wind is a non-renewable energy source. (a) True (b) False
40. 40.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable

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