Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 618 · 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 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
2. 2.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
3. 3.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
4. 4.Which of these is reuse (use again)? (a) buy less packaging (b) turn plastic into tiles (c) pulp old paper (d) plant in old tyres
5. 5.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
7. 7.True or false: natural gas is a non-renewable energy source. (a) True (b) False
8. 8.Which of these is reuse (use again)? (a) carry a cloth bag (b) refill a water bottle (c) turn plastic into tiles (d) switch off unused lights
9. 9.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) reduce (c) recycle
10. 10.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 600 bottles?
11. 11.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
12. 12.♻️ A project report has 70 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
13. 13.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
14. 14.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) reuse, recycle, reduce
15. 15.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
16. 16.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
17. 17.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
18. 18.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
19. 19.True or false: petrol is a non-renewable energy source. (a) False (b) True
20. 20.True or false: wind is a non-renewable energy source. (a) False (b) True
21. 21.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) sunlight (d) coal
22. 22.Which of these is recycle (make new things)? (a) turn plastic into tiles (b) use a jar as a pen stand (c) refill a water bottle (d) fix a dripping tap
23. 23.Which of these is reduce (use less)? (a) refill a water bottle (b) reuse gift paper (c) melt glass into new jars (d) switch off unused lights
24. 24.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) recycle (c) reuse
25. 25.Which of these is reuse (use again)? (a) print on both sides (b) turn plastic into tiles (c) switch off unused lights (d) use a jar as a pen stand
26. 26.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) recycle (c) reuse
27. 27.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) refill a water bottle (c) print on both sides (d) melt cans into new cans
28. 28.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
30. 30.Which of these is recycle (make new things)? (a) carry a cloth bag (b) plant in old tyres (c) buy less packaging (d) melt cans into new cans
31. 31.♻️ 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?
32. 32.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce
33. 33.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) uses the most plastic (d) wastes water
34. 34.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
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 2 weeks?
36. 36.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) reduce (c) recycle
37. 37.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
38. 38.True or false: diesel is a renewable energy source. (a) True (b) False
39. 39.True or false: coal is a non-renewable energy source. (a) False (b) True
40. 40.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable

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