Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 543 · 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: melt glass into new jars? (a) reuse (b) reduce (c) recycle
2. 2.♻️ 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?
3. 3.True or false: natural gas is a renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
5. 5.True or false: wind is a non-renewable energy source. (a) True (b) False
6. 6.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) reduce (c) recycle
7. 7.Which of these is reuse (use again)? (a) melt cans into new cans (b) melt glass into new jars (c) plant in old tyres (d) turn plastic into tiles
8. 8.Which of these is recycle (make new things)? (a) carry a cloth bag (b) reuse gift paper (c) melt cans into new cans (d) plant in old tyres
9. 9.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?
10. 10.♻️ A project report has 64 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
11. 11.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) recycle (c) reduce
12. 12.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ A sustainable design … (a) wastes water (b) uses the most plastic (c) protects the future (d) lasts one day
14. 14.Which of these is reduce (use less)? (a) refill a water bottle (b) print on both sides (c) turn plastic into tiles (d) reuse gift paper
15. 15.Which of these is reuse (use again)? (a) give old books away (b) carry a cloth bag (c) pulp old paper (d) melt glass into new jars
16. 16.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
17. 17.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) reduce (c) recycle
18. 18.True or false: petrol is a renewable energy source. (a) False (b) True
19. 19.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
20. 20.Which of these is recycle (make new things)? (a) melt glass into new jars (b) carry a cloth bag (c) refill a water bottle (d) print on both sides
21. 21.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.Which of these is reuse (use again)? (a) fix a dripping tap (b) reuse gift paper (c) print on both sides (d) melt cans into new cans
23. 23.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
24. 24.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) reuse (c) recycle
25. 25.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) reuse, recycle, reduce (c) burn, bury, forget (d) recycle, reuse, reduce
27. 27.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.True or false: diesel is a non-renewable energy source. (a) False (b) True
29. 29.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
30. 30.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
31. 31.True or false: wind is a renewable energy source. (a) False (b) True
32. 32.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
33. 33.♻️ Which energy source will never run out? (a) petrol (b) coal (c) sunlight (d) diesel
34. 34.True or false: coal is a non-renewable energy source. (a) False (b) True
35. 35.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
36. 36.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
37. 37.Which of these is recycle (make new things)? (a) turn plastic into tiles (b) give old books away (c) print on both sides (d) use a jar as a pen stand
38. 38.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
39. 39.True or false: biogas from waste is a renewable energy source. (a) False (b) True
40. 40.True or false: petrol is a non-renewable energy source. (a) True (b) False

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