Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 487 · 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) melt cans into new cans (b) carry a cloth bag (c) use a jar as a pen stand (d) reuse gift paper
2. 2.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
3. 3.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4000 bottles?
4. 4.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4050 bottles?
6. 6.♻️ 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
7. 7.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
8. 8.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 450 bottles?
9. 9.True or false: wind is a non-renewable energy source. (a) False (b) True
10. 10.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
11. 11.Which of these is recycle (make new things)? (a) print on both sides (b) melt glass into new jars (c) reuse gift paper (d) buy less packaging
12. 12.Which of these is reuse (use again)? (a) melt cans into new cans (b) reuse gift paper (c) pulp old paper (d) carry a cloth bag
13. 13.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) recycle (c) reduce
14. 14.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
16. 16.♻️ Which energy source will never run out? (a) coal (b) sunlight (c) diesel (d) petrol
17. 17.Which of these is recycle (make new things)? (a) carry a cloth bag (b) turn plastic into tiles (c) fix a dripping tap (d) give old books away
18. 18.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
19. 19.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 900 bottles?
21. 21.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
22. 22.Which of these is reuse (use again)? (a) fix a dripping tap (b) print on both sides (c) refill a water bottle (d) melt cans into new cans
23. 23.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reuse (c) reduce
24. 24.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
25. 25.True or false: wind is a renewable energy source. (a) True (b) False
26. 26.True or false: diesel is a renewable energy source. (a) True (b) False
27. 27.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1400 bottles?
28. 28.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
29. 29.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
30. 30.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 2700 bottles?
31. 31.♻️ A project report has 78 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
32. 32.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) uses the most plastic (d) protects the future
33. 33.♻️ A project report has 24 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
35. 35.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
36. 36.Which of these is reduce (use less)? (a) switch off unused lights (b) turn plastic into tiles (c) refill a water bottle (d) melt glass into new jars
37. 37.Which of these is reuse (use again)? (a) turn plastic into tiles (b) pulp old paper (c) melt glass into new jars (d) plant in old tyres
38. 38.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
39. 39.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
40. 40.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable

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