Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 423 · 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 150 recycled plastic bottles. How many benches can be made from 600 bottles?
2. 2.True or false: sunlight is a renewable energy source. (a) False (b) True
3. 3.Which of these is reuse (use again)? (a) fix a dripping tap (b) turn plastic into tiles (c) carry a cloth bag (d) give old books away
4. 4.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 300 bottles?
5. 5.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
6. 6.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) coal (d) petrol
7. 7.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
8. 8.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
9. 9.♻️ A project report has 12 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
10. 10.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
11. 11.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
12. 12.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reduce (c) reuse
13. 13.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
15. 15.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
16. 16.Which of these is reduce (use less)? (a) carry a cloth bag (b) plant in old tyres (c) give old books away (d) reuse gift paper
17. 17.♻️ A project report has 40 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.True or false: flowing river water is a renewable energy source. (a) False (b) True
19. 19.Which of these is reuse (use again)? (a) turn plastic into tiles (b) melt cans into new cans (c) switch off unused lights (d) refill a water bottle
20. 20.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) reuse (c) recycle
21. 21.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2400 bottles?
22. 22.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
23. 23.Which of these is reduce (use less)? (a) give old books away (b) refill a water bottle (c) print on both sides (d) melt glass into new jars
24. 24.Which of these is reuse (use again)? (a) pulp old paper (b) reuse gift paper (c) melt cans into new cans (d) turn plastic into tiles
25. 25.True or false: wind is a non-renewable energy source. (a) True (b) False
26. 26.♻️ Reduce, reuse or recycle: print on both sides? (a) reduce (b) reuse (c) recycle
27. 27.Which of these is reuse (use again)? (a) print on both sides (b) use a jar as a pen stand (c) fix a dripping tap (d) melt glass into new jars
28. 28.True or false: natural gas is a renewable energy source. (a) True (b) False
29. 29.Which of these is reduce (use less)? (a) buy less packaging (b) give old books away (c) reuse gift paper (d) refill a water bottle
30. 30.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
31. 31.True or false: biogas from waste is a renewable energy source. (a) True (b) False
32. 32.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
33. 33.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reuse, recycle, reduce (d) reduce, reuse, recycle
34. 34.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) reuse (c) recycle
35. 35.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) wastes water (d) protects the future
36. 36.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
37. 37.True or false: diesel is a renewable energy source. (a) False (b) True
38. 38.♻️ A project report has 20 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
40. 40.True or false: petrol is a non-renewable energy source. (a) False (b) True

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