Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 691 · 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) refill a water bottle (b) use a jar as a pen stand (c) print on both sides (d) turn plastic into tiles
2. 2.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
3. 3.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
4. 4.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) wastes water (d) protects the future
5. 5.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
6. 6.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2250 bottles?
7. 7.Which of these is reuse (use again)? (a) print on both sides (b) pulp old paper (c) turn plastic into tiles (d) use a jar as a pen stand
8. 8.♻️ Which energy source will never run out? (a) petrol (b) coal (c) sunlight (d) diesel
9. 9.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) burn, bury, forget (c) recycle, reuse, reduce (d) reduce, reuse, recycle
11. 11.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
12. 12.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3000 bottles?
14. 14.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
15. 15.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
16. 16.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
17. 17.♻️ A project report has 16 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
18. 18.Which of these is reduce (use less)? (a) pulp old paper (b) plant in old tyres (c) reuse gift paper (d) fix a dripping tap
19. 19.True or false: petrol is a non-renewable energy source. (a) True (b) False
20. 20.Which of these is recycle (make new things)? (a) melt glass into new jars (b) plant in old tyres (c) give old books away (d) buy less packaging
21. 21.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
22. 22.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
23. 23.True or false: coal is a renewable energy source. (a) False (b) True
24. 24.Which of these is recycle (make new things)? (a) pulp old paper (b) use a jar as a pen stand (c) buy less packaging (d) switch off unused lights
25. 25.True or false: wind is a renewable energy source. (a) True (b) False
26. 26.True or false: petrol is a renewable energy source. (a) False (b) True
27. 27.Which of these is reuse (use again)? (a) buy less packaging (b) give old books away (c) pulp old paper (d) turn plastic into tiles
28. 28.Which of these is reduce (use less)? (a) refill a water bottle (b) give old books away (c) switch off unused lights (d) use a jar as a pen stand
29. 29.♻️ 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?
30. 30.True or false: sunlight is a renewable energy source. (a) False (b) True
31. 31.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
32. 32.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1200 bottles?
33. 33.♻️ A project report has 24 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
35. 35.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 600 bottles?
36. 36.True or false: biogas from waste is a renewable energy source. (a) True (b) False
37. 37.True or false: diesel is a non-renewable energy source. (a) True (b) False
38. 38.Which of these is reduce (use less)? (a) melt glass into new jars (b) use a jar as a pen stand (c) buy less packaging (d) turn plastic into tiles
39. 39.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
40. 40.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?

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