Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 735 · 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.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
2. 2.True or false: biogas from waste is a renewable energy source. (a) True (b) False
3. 3.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reuse (c) reduce
4. 4.Which of these is recycle (make new things)? (a) reuse gift paper (b) give old books away (c) switch off unused lights (d) melt cans into new cans
5. 5.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) buy less packaging (c) melt cans into new cans (d) switch off unused lights
6. 6.True or false: sunlight is a non-renewable energy source. (a) False (b) True
7. 7.True or false: wind is a renewable energy source. (a) False (b) True
8. 8.Which of these is reduce (use less)? (a) turn plastic into tiles (b) melt glass into new jars (c) buy less packaging (d) use a jar as a pen stand
9. 9.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.Which of these is recycle (make new things)? (a) give old books away (b) reuse gift paper (c) turn plastic into tiles (d) carry a cloth bag
11. 11.♻️ A sustainable design … (a) wastes water (b) uses the most plastic (c) protects the future (d) lasts one day
12. 12.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reuse, recycle, reduce (c) burn, bury, forget (d) reduce, reuse, recycle
13. 13.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 750 bottles?
14. 14.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
15. 15.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
16. 16.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
17. 17.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
18. 18.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
19. 19.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2200 bottles?
20. 20.True or false: coal is a renewable energy source. (a) False (b) True
21. 21.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
22. 22.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
23. 23.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) coal (d) petrol
24. 24.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
25. 25.Which of these is reduce (use less)? (a) melt cans into new cans (b) pulp old paper (c) carry a cloth bag (d) plant in old tyres
26. 26.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
27. 27.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
28. 28.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
30. 30.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) reduce (c) recycle
31. 31.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
32. 32.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
34. 34.True or false: wind is a non-renewable energy source. (a) False (b) True
35. 35.♻️ 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?
36. 36.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
37. 37.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
38. 38.Which of these is reduce (use less)? (a) print on both sides (b) refill a water bottle (c) reuse gift paper (d) turn plastic into tiles
39. 39.True or false: flowing river water is a renewable energy source. (a) False (b) True
40. 40.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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