Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 343 · 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 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
2. 2.True or false: petrol is a non-renewable energy source. (a) True (b) False
3. 3.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
4. 4.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
5. 5.♻️ A project report has 88 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
6. 6.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) fix a dripping tap (c) melt cans into new cans (d) reuse gift paper
7. 7.Which of these is reduce (use less)? (a) carry a cloth bag (b) give old books away (c) reuse gift paper (d) plant in old tyres
8. 8.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reduce (c) reuse
9. 9.True or false: sunlight is a renewable energy source. (a) True (b) False
10. 10.True or false: biogas from waste is a renewable energy source. (a) False (b) True
11. 11.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1800 bottles?
12. 12.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.True or false: diesel is a renewable energy source. (a) True (b) False
14. 14.♻️ 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?
15. 15.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) reduce, reuse, recycle (d) recycle, reuse, reduce
16. 16.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
17. 17.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
18. 18.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.True or false: coal is a renewable energy source. (a) False (b) True
20. 20.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1800 bottles?
22. 22.♻️ A sustainable design … (a) protects the future (b) uses the most plastic (c) wastes water (d) lasts one day
23. 23.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reduce (c) reuse
24. 24.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reduce (c) reuse
25. 25.Which of these is reduce (use less)? (a) give old books away (b) pulp old paper (c) reuse gift paper (d) print on both sides
26. 26.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
27. 27.♻️ A project report has 58 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ 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?
29. 29.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
30. 30.True or false: wind is a non-renewable energy source. (a) True (b) False
31. 31.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
32. 32.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
33. 33.♻️ A project report has 36 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.Which of these is reuse (use again)? (a) melt cans into new cans (b) print on both sides (c) buy less packaging (d) plant in old tyres
36. 36.True or false: natural gas is a non-renewable energy source. (a) True (b) False
37. 37.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) recycle (c) reuse
38. 38.Which of these is reduce (use less)? (a) switch off unused lights (b) reuse gift paper (c) melt glass into new jars (d) melt cans into new cans
39. 39.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
40. 40.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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