Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 840 · 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: carry a cloth bag? (a) reuse (b) recycle (c) reduce
2. 2.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) recycle (c) reuse
3. 3.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) burn, bury, forget
4. 4.True or false: diesel is a renewable energy source. (a) False (b) True
5. 5.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
6. 6.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
7. 7.♻️ Which energy source will never run out? (a) petrol (b) coal (c) diesel (d) sunlight
8. 8.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 750 bottles?
11. 11.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
12. 12.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 200 bottles?
13. 13.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) protects the future (d) wastes water
14. 14.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
15. 15.Which of these is reuse (use again)? (a) buy less packaging (b) fix a dripping tap (c) turn plastic into tiles (d) refill a water bottle
16. 16.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.True or false: wind is a renewable energy source. (a) False (b) True
18. 18.Which of these is reduce (use less)? (a) melt cans into new cans (b) melt glass into new jars (c) print on both sides (d) plant in old tyres
19. 19.True or false: coal is a renewable energy source. (a) True (b) False
20. 20.Which of these is reduce (use less)? (a) plant in old tyres (b) fix a dripping tap (c) turn plastic into tiles (d) refill a water bottle
21. 21.Which of these is reduce (use less)? (a) carry a cloth bag (b) turn plastic into tiles (c) melt cans into new cans (d) give old books away
22. 22.True or false: flowing river water is a renewable energy source. (a) False (b) True
23. 23.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
24. 24.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
25. 25.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1750 bottles?
26. 26.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
27. 27.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
28. 28.True or false: petrol is a renewable energy source. (a) True (b) False
29. 29.♻️ A project report has 100 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
30. 30.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) reuse (c) recycle
31. 31.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
32. 32.True or false: sunlight is a renewable energy source. (a) True (b) False
33. 33.♻️ 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?
34. 34.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.Which of these is reduce (use less)? (a) melt cans into new cans (b) melt glass into new jars (c) plant in old tyres (d) switch off unused lights
36. 36.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4400 bottles?
37. 37.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 3150 bottles?
38. 38.Which of these is reuse (use again)? (a) pulp old paper (b) use a jar as a pen stand (c) melt glass into new jars (d) turn plastic into tiles
39. 39.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
40. 40.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?

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