Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 734 · 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: plant in old tyres? (a) reduce (b) recycle (c) reuse
2. 2.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
3. 3.Which of these is recycle (make new things)? (a) switch off unused lights (b) print on both sides (c) use a jar as a pen stand (d) pulp old paper
4. 4.Which of these is reduce (use less)? (a) plant in old tyres (b) buy less packaging (c) pulp old paper (d) turn plastic into tiles
5. 5.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reduce (c) reuse
6. 6.Which of these is reuse (use again)? (a) switch off unused lights (b) carry a cloth bag (c) refill a water bottle (d) turn plastic into tiles
7. 7.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
8. 8.True or false: wind is a renewable energy source. (a) True (b) False
9. 9.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
10. 10.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3200 bottles?
11. 11.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 800 bottles?
12. 12.True or false: petrol is a renewable energy source. (a) True (b) False
13. 13.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
14. 14.♻️ 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
15. 15.♻️ A sustainable design … (a) wastes water (b) protects the future (c) lasts one day (d) uses the most plastic
16. 16.True or false: sunlight is a non-renewable energy source. (a) True (b) False
17. 17.♻️ Which energy source will never run out? (a) coal (b) petrol (c) sunlight (d) diesel
18. 18.True or false: coal is a non-renewable energy source. (a) True (b) False
19. 19.Which of these is reuse (use again)? (a) melt cans into new cans (b) melt glass into new jars (c) switch off unused lights (d) give old books away
20. 20.Which of these is recycle (make new things)? (a) reuse gift paper (b) turn plastic into tiles (c) switch off unused lights (d) print on both sides
21. 21.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2800 bottles?
22. 22.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 1800 bottles?
23. 23.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
24. 24.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2400 bottles?
25. 25.True or false: diesel is a renewable energy source. (a) False (b) True
26. 26.Which of these is reuse (use again)? (a) print on both sides (b) melt cans into new cans (c) switch off unused lights (d) reuse gift paper
27. 27.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
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 9 weeks?
29. 29.Which of these is reduce (use less)? (a) carry a cloth bag (b) use a jar as a pen stand (c) pulp old paper (d) melt glass into new jars
30. 30.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
31. 31.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
32. 32.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) reduce (c) recycle
33. 33.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ A project report has 60 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
35. 35.♻️ A project report has 34 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
36. 36.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
37. 37.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
38. 38.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2250 bottles?
39. 39.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
40. 40.♻️ 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?

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