Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 212 · 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: switch off unused lights? (a) recycle (b) reduce (c) reuse
2. 2.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1050 bottles?
3. 3.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
4. 4.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
5. 5.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
6. 6.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
7. 7.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) recycle (c) reduce
8. 8.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reuse (c) reduce
9. 9.♻️ A project report has 98 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
10. 10.Which of these is reuse (use again)? (a) pulp old paper (b) refill a water bottle (c) melt cans into new cans (d) turn plastic into tiles
11. 11.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
12. 12.♻️ 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?
13. 13.Which of these is recycle (make new things)? (a) carry a cloth bag (b) plant in old tyres (c) use a jar as a pen stand (d) melt glass into new jars
14. 14.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) protects the future (d) wastes water
16. 16.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
17. 17.Which of these is reduce (use less)? (a) turn plastic into tiles (b) carry a cloth bag (c) plant in old tyres (d) melt glass into new jars
18. 18.Which of these is reduce (use less)? (a) refill a water bottle (b) melt glass into new jars (c) buy less packaging (d) turn plastic into tiles
19. 19.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
20. 20.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) burn, bury, forget (c) reuse, recycle, reduce (d) recycle, reuse, reduce
21. 21.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
22. 22.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
23. 23.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce
24. 24.♻️ A project report has 22 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
25. 25.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
26. 26.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
27. 27.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reuse (c) reduce
28. 28.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) coal (d) petrol
29. 29.Which of these is reuse (use again)? (a) carry a cloth bag (b) buy less packaging (c) use a jar as a pen stand (d) switch off unused lights
30. 30.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
31. 31.True or false: biogas from waste is a renewable energy source. (a) False (b) True
32. 32.True or false: wind is a non-renewable energy source. (a) True (b) False
33. 33.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
35. 35.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
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.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
38. 38.Which of these is reduce (use less)? (a) melt glass into new jars (b) reuse gift paper (c) fix a dripping tap (d) turn plastic into tiles
39. 39.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
40. 40.Which of these is reuse (use again)? (a) turn plastic into tiles (b) reuse gift paper (c) buy less packaging (d) carry a cloth bag

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