Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 161 · 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 school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
2. 2.Which of these is recycle (make new things)? (a) melt cans into new cans (b) reuse gift paper (c) print on both sides (d) switch off unused lights
3. 3.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?
4. 4.True or false: petrol is a renewable energy source. (a) True (b) False
5. 5.Which of these is reuse (use again)? (a) buy less packaging (b) give old books away (c) switch off unused lights (d) melt cans into new cans
6. 6.♻️ 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?
7. 7.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
8. 8.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
9. 9.Which of these is reuse (use again)? (a) fix a dripping tap (b) reuse gift paper (c) pulp old paper (d) carry a cloth bag
10. 10.Which of these is reuse (use again)? (a) fix a dripping tap (b) refill a water bottle (c) carry a cloth bag (d) print on both sides
11. 11.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3300 bottles?
12. 12.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
13. 13.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
14. 14.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
15. 15.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) recycle (c) reduce
16. 16.♻️ A sustainable design … (a) lasts one day (b) wastes water (c) uses the most plastic (d) protects the future
17. 17.♻️ A project report has 94 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) reduce (c) recycle
19. 19.Which of these is reuse (use again)? (a) carry a cloth bag (b) turn plastic into tiles (c) use a jar as a pen stand (d) pulp old paper
20. 20.♻️ Which energy source will never run out? (a) sunlight (b) petrol (c) diesel (d) coal
21. 21.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2100 bottles?
23. 23.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) recycle (c) reuse
25. 25.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
26. 26.♻️ A project report has 18 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.True or false: biogas from waste is a renewable energy source. (a) True (b) False
28. 28.Which of these is reduce (use less)? (a) give old books away (b) carry a cloth bag (c) plant in old tyres (d) pulp old paper
29. 29.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
30. 30.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
31. 31.Which of these is reduce (use less)? (a) turn plastic into tiles (b) switch off unused lights (c) pulp old paper (d) use a jar as a pen stand
32. 32.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reuse, recycle, reduce (c) reduce, reuse, recycle (d) burn, bury, forget
33. 33.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
34. 34.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) reuse (c) recycle
35. 35.Which of these is recycle (make new things)? (a) fix a dripping tap (b) print on both sides (c) turn plastic into tiles (d) buy less packaging
36. 36.True or false: petrol is a non-renewable energy source. (a) False (b) True
37. 37.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 1000 bottles?
38. 38.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
39. 39.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
40. 40.Which of these is recycle (make new things)? (a) plant in old tyres (b) use a jar as a pen stand (c) pulp old paper (d) refill a water bottle

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