Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 381 · 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 cans into new cans? (a) reduce (b) reuse (c) recycle
2. 2.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) recycle (c) reuse
3. 3.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3000 bottles?
4. 4.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
5. 5.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.♻️ 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?
7. 7.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce
8. 8.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
9. 9.♻️ A project report has 78 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
10. 10.♻️ 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
11. 11.Which of these is recycle (make new things)? (a) give old books away (b) melt glass into new jars (c) use a jar as a pen stand (d) switch off unused lights
12. 12.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
14. 14.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.True or false: natural gas is a non-renewable energy source. (a) False (b) True
16. 16.♻️ A sustainable design … (a) uses the most plastic (b) wastes water (c) protects the future (d) lasts one day
17. 17.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) reuse (c) recycle
18. 18.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
19. 19.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
20. 20.True or false: wind is a renewable energy source. (a) False (b) True
21. 21.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) coal (d) petrol
22. 22.True or false: coal is a renewable energy source. (a) True (b) False
23. 23.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
24. 24.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2200 bottles?
25. 25.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
27. 27.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
28. 28.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
29. 29.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
30. 30.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
31. 31.True or false: diesel is a renewable energy source. (a) False (b) True
32. 32.Which of these is reuse (use again)? (a) refill a water bottle (b) turn plastic into tiles (c) buy less packaging (d) switch off unused lights
33. 33.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
34. 34.Which of these is recycle (make new things)? (a) buy less packaging (b) melt cans into new cans (c) carry a cloth bag (d) give old books away
35. 35.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
36. 36.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reduce (c) reuse
37. 37.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
38. 38.True or false: sunlight is a renewable energy source. (a) False (b) True
39. 39.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
40. 40.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce

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