Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 371 · 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.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) recycle (c) reduce
2. 2.♻️ 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?
3. 3.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
4. 4.Which of these is recycle (make new things)? (a) switch off unused lights (b) carry a cloth bag (c) melt cans into new cans (d) refill a water bottle
5. 5.♻️ 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?
6. 6.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) reduce (c) recycle
7. 7.♻️ Which energy source will never run out? (a) diesel (b) petrol (c) coal (d) sunlight
8. 8.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
9. 9.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
10. 10.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
11. 11.♻️ A project report has 14 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
12. 12.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
13. 13.Which of these is reduce (use less)? (a) give old books away (b) use a jar as a pen stand (c) fix a dripping tap (d) turn plastic into tiles
14. 14.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 800 bottles?
15. 15.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reduce, reuse, recycle (d) reuse, recycle, reduce
16. 16.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reduce (c) reuse
17. 17.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 200 bottles?
18. 18.Which of these is reduce (use less)? (a) print on both sides (b) melt glass into new jars (c) melt cans into new cans (d) give old books away
19. 19.Which of these is reduce (use less)? (a) pulp old paper (b) buy less packaging (c) plant in old tyres (d) give old books away
20. 20.True or false: diesel is a non-renewable energy source. (a) False (b) True
21. 21.True or false: biogas from waste is a renewable energy source. (a) True (b) False
22. 22.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
23. 23.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
24. 24.True or false: petrol is a renewable energy source. (a) True (b) False
25. 25.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
26. 26.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
27. 27.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
29. 29.True or false: natural gas is a renewable energy source. (a) False (b) True
30. 30.♻️ A project report has 94 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 900 bottles?
32. 32.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1200 bottles?
33. 33.♻️ A project report has 18 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 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
35. 35.♻️ A sustainable design … (a) uses the most plastic (b) protects the future (c) wastes water (d) lasts one day
36. 36.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 600 bottles?
37. 37.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
38. 38.♻️ A project report has 74 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
40. 40.True or false: coal is a non-renewable energy source. (a) False (b) True

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