Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 39 · 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.Which of these is reuse (use again)? (a) print on both sides (b) melt glass into new jars (c) reuse gift paper (d) buy less packaging
2. 2.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2750 bottles?
3. 3.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) turn plastic into tiles (c) carry a cloth bag (d) print on both sides
4. 4.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
5. 5.True or false: wind is a non-renewable energy source. (a) True (b) False
6. 6.True or false: wind is a renewable energy source. (a) False (b) True
7. 7.Which of these is reduce (use less)? (a) give old books away (b) refill a water bottle (c) plant in old tyres (d) carry a cloth bag
8. 8.True or false: flowing river water is a renewable energy source. (a) False (b) True
9. 9.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
10. 10.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
11. 11.♻️ Which energy source will never run out? (a) sunlight (b) coal (c) petrol (d) diesel
12. 12.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4500 bottles?
13. 13.Which of these is reduce (use less)? (a) melt cans into new cans (b) give old books away (c) print on both sides (d) melt glass into new jars
14. 14.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.♻️ A sustainable design … (a) protects the future (b) uses the most plastic (c) wastes water (d) lasts one day
16. 16.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
17. 17.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.Which of these is reuse (use again)? (a) turn plastic into tiles (b) melt glass into new jars (c) carry a cloth bag (d) give old books away
19. 19.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
20. 20.Which of these is recycle (make new things)? (a) fix a dripping tap (b) turn plastic into tiles (c) reuse gift paper (d) buy less packaging
21. 21.Which of these is reduce (use less)? (a) pulp old paper (b) use a jar as a pen stand (c) melt glass into new jars (d) fix a dripping tap
22. 22.True or false: petrol is a renewable energy source. (a) False (b) True
23. 23.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
24. 24.True or false: coal is a non-renewable energy source. (a) False (b) True
25. 25.True or false: natural gas is a renewable energy source. (a) False (b) True
26. 26.Which of these is reduce (use less)? (a) give old books away (b) turn plastic into tiles (c) use a jar as a pen stand (d) buy less packaging
27. 27.♻️ 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?
28. 28.True or false: sunlight is a non-renewable energy source. (a) False (b) True
29. 29.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
30. 30.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
31. 31.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
32. 32.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
33. 33.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
34. 34.Which of these is recycle (make new things)? (a) use a jar as a pen stand (b) buy less packaging (c) melt cans into new cans (d) switch off unused lights
35. 35.True or false: coal is a renewable energy source. (a) False (b) True
36. 36.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.True or false: biogas from waste is a renewable energy source. (a) True (b) False
38. 38.Which of these is reduce (use less)? (a) switch off unused lights (b) melt glass into new jars (c) plant in old tyres (d) refill a water bottle
39. 39.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle

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