Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 535 · 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 reduce (use less)? (a) use a jar as a pen stand (b) pulp old paper (c) print on both sides (d) melt glass into new jars
2. 2.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) reuse, recycle, reduce
3. 3.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) recycle (c) reduce
4. 4.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
5. 5.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
7. 7.Which of these is recycle (make new things)? (a) melt cans into new cans (b) reuse gift paper (c) give old books away (d) buy less packaging
8. 8.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2100 bottles?
9. 9.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
11. 11.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reduce (c) reuse
12. 12.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
13. 13.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
14. 14.Which of these is reuse (use again)? (a) melt glass into new jars (b) turn plastic into tiles (c) reuse gift paper (d) pulp old paper
15. 15.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
16. 16.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
17. 17.♻️ Which energy source will never run out? (a) petrol (b) coal (c) sunlight (d) diesel
18. 18.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2800 bottles?
19. 19.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) uses the most plastic (d) wastes water
20. 20.True or false: coal is a renewable energy source. (a) True (b) False
21. 21.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 2250 bottles?
23. 23.Which of these is reduce (use less)? (a) reuse gift paper (b) melt cans into new cans (c) refill a water bottle (d) switch off unused lights
24. 24.♻️ A project report has 18 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
25. 25.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
26. 26.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
27. 27.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 5500 bottles?
28. 28.True or false: sunlight is a renewable energy source. (a) True (b) False
29. 29.Which of these is recycle (make new things)? (a) use a jar as a pen stand (b) carry a cloth bag (c) melt glass into new jars (d) buy less packaging
30. 30.True or false: biogas from waste is a renewable energy source. (a) True (b) False
31. 31.Which of these is reduce (use less)? (a) pulp old paper (b) turn plastic into tiles (c) melt glass into new jars (d) fix a dripping tap
32. 32.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
33. 33.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 1800 bottles?
35. 35.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1500 bottles?
36. 36.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1100 bottles?
37. 37.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
38. 38.♻️ A project report has 62 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
40. 40.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True

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