Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 548 · 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 project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
2. 2.Which of these is reduce (use less)? (a) pulp old paper (b) plant in old tyres (c) print on both sides (d) melt cans into new cans
3. 3.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
4. 4.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 4500 bottles?
5. 5.True or false: coal is a renewable energy source. (a) False (b) True
6. 6.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
7. 7.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) reuse (c) recycle
8. 8.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
9. 9.♻️ Which energy source will never run out? (a) sunlight (b) petrol (c) diesel (d) coal
10. 10.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
11. 11.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
12. 12.Which of these is recycle (make new things)? (a) plant in old tyres (b) turn plastic into tiles (c) reuse gift paper (d) use a jar as a pen stand
13. 13.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
14. 14.Which of these is reduce (use less)? (a) refill a water bottle (b) switch off unused lights (c) pulp old paper (d) give old books away
15. 15.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
16. 16.Which of these is reduce (use less)? (a) carry a cloth bag (b) give old books away (c) turn plastic into tiles (d) refill a water bottle
17. 17.♻️ 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
18. 18.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) reduce (c) recycle
19. 19.Which of these is reuse (use again)? (a) melt glass into new jars (b) pulp old paper (c) melt cans into new cans (d) refill a water bottle
20. 20.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) recycle (c) reduce
22. 22.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
23. 23.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
24. 24.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reduce (c) reuse
25. 25.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
26. 26.♻️ A project report has 80 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ A project report has 34 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ A project report has 76 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ A project report has 56 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
30. 30.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) recycle (c) reuse
31. 31.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
32. 32.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.♻️ A project report has 16 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
35. 35.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
36. 36.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) fix a dripping tap (c) switch off unused lights (d) carry a cloth bag
37. 37.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
38. 38.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
39. 39.True or false: coal is a non-renewable energy source. (a) True (b) False
40. 40.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 600 bottles?

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