Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 466 · 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.True or false: flowing river water is a renewable energy source. (a) True (b) False
2. 2.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
3. 3.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1200 bottles?
4. 4.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
5. 5.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
6. 6.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 1000 bottles?
7. 7.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
8. 8.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2400 bottles?
9. 9.Which of these is reduce (use less)? (a) melt cans into new cans (b) fix a dripping tap (c) melt glass into new jars (d) refill a water bottle
10. 10.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
11. 11.Which of these is recycle (make new things)? (a) give old books away (b) melt cans into new cans (c) reuse gift paper (d) refill a water bottle
12. 12.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) recycle, reuse, reduce (d) reduce, reuse, recycle
13. 13.♻️ Which energy source will never run out? (a) coal (b) diesel (c) petrol (d) sunlight
14. 14.Which of these is reduce (use less)? (a) plant in old tyres (b) pulp old paper (c) melt cans into new cans (d) buy less packaging
15. 15.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
16. 16.Which of these is reduce (use less)? (a) refill a water bottle (b) melt glass into new jars (c) switch off unused lights (d) give old books away
17. 17.Which of these is recycle (make new things)? (a) refill a water bottle (b) reuse gift paper (c) turn plastic into tiles (d) fix a dripping tap
18. 18.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reuse (c) reduce
20. 20.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
21. 21.True or false: sunlight is a renewable energy source. (a) True (b) False
22. 22.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) reduce (c) recycle
23. 23.Which of these is reuse (use again)? (a) carry a cloth bag (b) turn plastic into tiles (c) print on both sides (d) plant in old tyres
24. 24.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) recycle (c) reuse
25. 25.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
26. 26.♻️ A sustainable design … (a) protects the future (b) wastes water (c) lasts one day (d) uses the most plastic
27. 27.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
28. 28.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
29. 29.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
30. 30.Which of these is recycle (make new things)? (a) refill a water bottle (b) melt glass into new jars (c) fix a dripping tap (d) carry a cloth bag
31. 31.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reduce (c) reuse
32. 32.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2400 bottles?
33. 33.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
35. 35.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
36. 36.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
37. 37.Which of these is recycle (make new things)? (a) pulp old paper (b) fix a dripping tap (c) refill a water bottle (d) buy less packaging
38. 38.True or false: wind is a renewable energy source. (a) False (b) True
39. 39.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
40. 40.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1100 bottles?

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