Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 300 · 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 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
2. 2.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
3. 3.♻️ Which energy source will never run out? (a) coal (b) diesel (c) sunlight (d) petrol
4. 4.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) reduce (c) recycle
6. 6.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1800 bottles?
7. 7.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
8. 8.Which of these is recycle (make new things)? (a) plant in old tyres (b) give old books away (c) use a jar as a pen stand (d) turn plastic into tiles
9. 9.True or false: flowing river water is a renewable energy source. (a) True (b) False
10. 10.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 900 bottles?
11. 11.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
12. 12.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
13. 13.True or false: petrol is a renewable energy source. (a) False (b) True
14. 14.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt glass into new jars (c) use a jar as a pen stand (d) melt cans into new cans
15. 15.♻️ 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?
16. 16.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
18. 18.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) uses the most plastic (d) protects the future
19. 19.Which of these is reuse (use again)? (a) melt glass into new jars (b) pulp old paper (c) give old books away (d) carry a cloth bag
20. 20.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
21. 21.True or false: coal is a non-renewable energy source. (a) True (b) False
22. 22.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
23. 23.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reuse, recycle, reduce (d) reduce, reuse, recycle
24. 24.Which of these is reduce (use less)? (a) buy less packaging (b) plant in old tyres (c) turn plastic into tiles (d) give old books away
25. 25.♻️ A project report has 56 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.True or false: wind is a renewable energy source. (a) False (b) True
27. 27.♻️ Reduce, reuse or recycle: print on both sides? (a) reduce (b) recycle (c) reuse
28. 28.♻️ A project report has 80 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
30. 30.Which of these is recycle (make new things)? (a) refill a water bottle (b) reuse gift paper (c) print on both sides (d) pulp old paper
31. 31.Which of these is reuse (use again)? (a) switch off unused lights (b) refill a water bottle (c) pulp old paper (d) buy less packaging
32. 32.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 3000 bottles?
33. 33.♻️ A project report has 44 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
36. 36.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) recycle (c) reduce
37. 37.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 3500 bottles?
38. 38.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
39. 39.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?

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