Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 789 · 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.♻️ 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?
2. 2.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
3. 3.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
4. 4.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.Which of these is recycle (make new things)? (a) plant in old tyres (b) turn plastic into tiles (c) print on both sides (d) refill a water bottle
7. 7.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
8. 8.Which of these is recycle (make new things)? (a) reuse gift paper (b) pulp old paper (c) print on both sides (d) refill a water bottle
9. 9.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.True or false: wind is a non-renewable energy source. (a) False (b) True
11. 11.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 750 bottles?
12. 12.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) coal (d) petrol
13. 13.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
14. 14.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
15. 15.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) uses the most plastic (d) protects the future
16. 16.Which of these is recycle (make new things)? (a) melt glass into new jars (b) reuse gift paper (c) refill a water bottle (d) plant in old tyres
17. 17.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) reuse, recycle, reduce
19. 19.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
20. 20.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.True or false: wind is a renewable energy source. (a) True (b) False
22. 22.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3200 bottles?
23. 23.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
24. 24.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) reduce (c) recycle
25. 25.♻️ A project report has 90 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.♻️ A project report has 56 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) recycle (c) reuse
28. 28.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
29. 29.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1050 bottles?
30. 30.True or false: petrol is a renewable energy source. (a) True (b) False
31. 31.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True
32. 32.Which of these is reduce (use less)? (a) pulp old paper (b) melt glass into new jars (c) switch off unused lights (d) use a jar as a pen stand
33. 33.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
34. 34.♻️ A project report has 44 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
35. 35.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 200 bottles?
36. 36.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
37. 37.Which of these is reuse (use again)? (a) print on both sides (b) use a jar as a pen stand (c) switch off unused lights (d) buy less packaging
38. 38.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
39. 39.♻️ A project report has 34 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 5000 bottles?

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