Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 191 · 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: pulp old paper? (a) recycle (b) reduce (c) reuse
2. 2.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
3. 3.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 1350 bottles?
4. 4.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
5. 5.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
6. 6.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
7. 7.Which of these is recycle (make new things)? (a) print on both sides (b) carry a cloth bag (c) fix a dripping tap (d) melt glass into new jars
8. 8.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reuse (c) reduce
9. 9.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) wastes water (d) uses the most plastic
10. 10.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) recycle, reuse, reduce (c) burn, bury, forget (d) reduce, reuse, recycle
11. 11.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
12. 12.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
14. 14.Which of these is reduce (use less)? (a) reuse gift paper (b) give old books away (c) switch off unused lights (d) melt cans into new cans
15. 15.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 600 bottles?
16. 16.Which of these is reuse (use again)? (a) print on both sides (b) turn plastic into tiles (c) reuse gift paper (d) melt glass into new jars
17. 17.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.Which of these is recycle (make new things)? (a) buy less packaging (b) reuse gift paper (c) pulp old paper (d) carry a cloth bag
19. 19.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?
20. 20.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
21. 21.Which of these is recycle (make new things)? (a) switch off unused lights (b) use a jar as a pen stand (c) melt cans into new cans (d) reuse gift paper
22. 22.True or false: coal is a renewable energy source. (a) False (b) True
23. 23.Which of these is reduce (use less)? (a) turn plastic into tiles (b) print on both sides (c) give old books away (d) reuse gift paper
24. 24.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
25. 25.True or false: diesel is a non-renewable energy source. (a) True (b) False
26. 26.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
27. 27.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.♻️ A project report has 36 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ 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?
30. 30.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
31. 31.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) refill a water bottle (c) reuse gift paper (d) buy less packaging
32. 32.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
33. 33.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 750 bottles?
34. 34.True or false: wind is a renewable energy source. (a) True (b) False
35. 35.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
36. 36.True or false: coal is a non-renewable energy source. (a) True (b) False
37. 37.True or false: petrol is a renewable energy source. (a) True (b) False
38. 38.Which of these is reuse (use again)? (a) pulp old paper (b) buy less packaging (c) print on both sides (d) refill a water bottle
39. 39.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
40. 40.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 600 bottles?

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