Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 614 · 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) reuse gift paper (c) print on both sides (d) melt glass into new jars
2. 2.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
3. 3.True or false: wind is a non-renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) reuse (c) recycle
5. 5.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) reuse, recycle, reduce
6. 6.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
7. 7.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
8. 8.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
9. 9.Which of these is recycle (make new things)? (a) melt glass into new jars (b) print on both sides (c) buy less packaging (d) refill a water bottle
10. 10.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) recycle (c) reduce
11. 11.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
12. 12.Which of these is reuse (use again)? (a) switch off unused lights (b) print on both sides (c) turn plastic into tiles (d) give old books away
13. 13.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
14. 14.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2500 bottles?
15. 15.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3600 bottles?
16. 16.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 1500 bottles?
17. 17.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 5400 bottles?
18. 18.Which of these is reuse (use again)? (a) fix a dripping tap (b) switch off unused lights (c) plant in old tyres (d) print on both sides
19. 19.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
20. 20.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.Which of these is reuse (use again)? (a) refill a water bottle (b) melt cans into new cans (c) switch off unused lights (d) carry a cloth bag
22. 22.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 750 bottles?
23. 23.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
24. 24.♻️ Which energy source will never run out? (a) coal (b) diesel (c) sunlight (d) petrol
25. 25.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
26. 26.♻️ A project report has 40 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
28. 28.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
30. 30.♻️ A project report has 88 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.True or false: diesel is a renewable energy source. (a) False (b) True
32. 32.True or false: sunlight is a non-renewable energy source. (a) True (b) False
33. 33.True or false: petrol is a renewable energy source. (a) True (b) False
34. 34.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
36. 36.True or false: sunlight is a renewable energy source. (a) True (b) False
37. 37.♻️ A sustainable design … (a) lasts one day (b) wastes water (c) uses the most plastic (d) protects the future
38. 38.Which of these is reuse (use again)? (a) print on both sides (b) melt cans into new cans (c) use a jar as a pen stand (d) buy less packaging
39. 39.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) buy less packaging (c) reuse gift paper (d) plant in old tyres
40. 40.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reduce (c) reuse

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