Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 534 · 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 family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
3. 3.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
4. 4.Which of these is recycle (make new things)? (a) melt cans into new cans (b) carry a cloth bag (c) plant in old tyres (d) print on both sides
5. 5.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
6. 6.True or false: wind is a renewable energy source. (a) False (b) True
7. 7.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
8. 8.Which of these is reuse (use again)? (a) melt cans into new cans (b) reuse gift paper (c) pulp old paper (d) print on both sides
9. 9.True or false: sunlight is a non-renewable energy source. (a) False (b) True
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.Which of these is recycle (make new things)? (a) print on both sides (b) melt glass into new jars (c) buy less packaging (d) use a jar as a pen stand
12. 12.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
15. 15.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt cans into new cans (c) plant in old tyres (d) use a jar as a pen stand
16. 16.Which of these is reuse (use again)? (a) fix a dripping tap (b) switch off unused lights (c) melt cans into new cans (d) refill a water bottle
17. 17.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
18. 18.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 600 bottles?
19. 19.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
20. 20.♻️ Which energy source will never run out? (a) petrol (b) coal (c) diesel (d) sunlight
21. 21.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) uses the most plastic (d) wastes water
22. 22.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
23. 23.♻️ 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?
24. 24.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
25. 25.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 4500 bottles?
26. 26.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
27. 27.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) pulp old paper (c) buy less packaging (d) melt cans into new cans
28. 28.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.Which of these is reduce (use less)? (a) turn plastic into tiles (b) refill a water bottle (c) buy less packaging (d) use a jar as a pen stand
30. 30.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
31. 31.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True
32. 32.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) recycle, reuse, reduce
33. 33.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 700 bottles?
34. 34.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
35. 35.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
36. 36.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
37. 37.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 900 bottles?
38. 38.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1500 bottles?
39. 39.True or false: diesel is a non-renewable energy source. (a) True (b) False
40. 40.Which of these is reuse (use again)? (a) give old books away (b) pulp old paper (c) turn plastic into tiles (d) fix a dripping tap

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