Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 318 · 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 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
2. 2.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
3. 3.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
4. 4.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
5. 5.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.True or false: wind is a renewable energy source. (a) False (b) True
7. 7.True or false: petrol is a renewable energy source. (a) False (b) True
8. 8.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.Which of these is reuse (use again)? (a) print on both sides (b) switch off unused lights (c) fix a dripping tap (d) give old books away
10. 10.True or false: wind is a non-renewable energy source. (a) True (b) False
11. 11.Which of these is recycle (make new things)? (a) plant in old tyres (b) fix a dripping tap (c) switch off unused lights (d) pulp old paper
12. 12.♻️ Which energy source will never run out? (a) sunlight (b) coal (c) petrol (d) diesel
13. 13.Which of these is reuse (use again)? (a) melt cans into new cans (b) fix a dripping tap (c) use a jar as a pen stand (d) buy less packaging
14. 14.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
15. 15.Which of these is reduce (use less)? (a) refill a water bottle (b) plant in old tyres (c) pulp old paper (d) print on both sides
16. 16.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
17. 17.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 5500 bottles?
18. 18.True or false: natural gas is a renewable energy source. (a) False (b) True
19. 19.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
20. 20.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
21. 21.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reduce (c) reuse
22. 22.Which of these is reduce (use less)? (a) plant in old tyres (b) turn plastic into tiles (c) carry a cloth bag (d) use a jar as a pen stand
23. 23.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3200 bottles?
24. 24.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
25. 25.Which of these is recycle (make new things)? (a) melt cans into new cans (b) fix a dripping tap (c) switch off unused lights (d) print on both sides
26. 26.True or false: diesel is a renewable energy source. (a) False (b) True
27. 27.Which of these is reduce (use less)? (a) melt cans into new cans (b) buy less packaging (c) use a jar as a pen stand (d) plant in old tyres
28. 28.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1800 bottles?
29. 29.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reuse, recycle, reduce (d) reduce, reuse, recycle
30. 30.True or false: flowing river water is a renewable energy source. (a) True (b) False
31. 31.♻️ A project report has 26 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
32. 32.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reuse (c) reduce
34. 34.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 2500 bottles?
35. 35.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
36. 36.Which of these is reuse (use again)? (a) melt glass into new jars (b) pulp old paper (c) print on both sides (d) refill a water bottle
37. 37.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
38. 38.True or false: biogas from waste is a renewable energy source. (a) True (b) False
39. 39.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce

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