Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 801 · 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 2 weeks?
2. 2.Which of these is recycle (make new things)? (a) reuse gift paper (b) switch off unused lights (c) buy less packaging (d) melt glass into new jars
3. 3.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
4. 4.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
5. 5.True or false: wind is a renewable energy source. (a) True (b) False
6. 6.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reuse (c) reduce
7. 7.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2250 bottles?
8. 8.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
9. 9.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
10. 10.True or false: diesel is a renewable energy source. (a) False (b) True
11. 11.Which of these is recycle (make new things)? (a) refill a water bottle (b) print on both sides (c) pulp old paper (d) give old books away
12. 12.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
13. 13.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.True or false: diesel is a non-renewable energy source. (a) False (b) True
15. 15.True or false: coal is a renewable energy source. (a) True (b) False
16. 16.Which of these is recycle (make new things)? (a) refill a water bottle (b) melt cans into new cans (c) fix a dripping tap (d) buy less packaging
17. 17.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
18. 18.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
19. 19.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) recycle (c) reduce
20. 20.♻️ A sustainable design … (a) protects the future (b) lasts one day (c) wastes water (d) uses the most plastic
21. 21.♻️ A project report has 96 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
22. 22.♻️ Which energy source will never run out? (a) sunlight (b) diesel (c) coal (d) petrol
23. 23.♻️ A project report has 28 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
24. 24.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) recycle, reuse, reduce
25. 25.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
26. 26.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
27. 27.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
28. 28.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reuse (c) reduce
29. 29.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 900 bottles?
30. 30.True or false: wind is a non-renewable energy source. (a) False (b) True
31. 31.Which of these is reduce (use less)? (a) pulp old paper (b) give old books away (c) use a jar as a pen stand (d) switch off unused lights
32. 32.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
33. 33.Which of these is reuse (use again)? (a) melt cans into new cans (b) buy less packaging (c) switch off unused lights (d) use a jar as a pen stand
34. 34.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1200 bottles?
35. 35.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
36. 36.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1600 bottles?
37. 37.Which of these is reuse (use again)? (a) switch off unused lights (b) refill a water bottle (c) carry a cloth bag (d) fix a dripping tap
38. 38.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 750 bottles?
39. 39.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt glass into new jars (c) refill a water bottle (d) plant in old tyres
40. 40.True or false: petrol is a non-renewable energy source. (a) False (b) True

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