Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 743 · 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 school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?
2. 2.Which of these is reduce (use less)? (a) melt cans into new cans (b) reuse gift paper (c) fix a dripping tap (d) turn plastic into tiles
3. 3.Which of these is recycle (make new things)? (a) carry a cloth bag (b) use a jar as a pen stand (c) plant in old tyres (d) pulp old paper
4. 4.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1200 bottles?
6. 6.Which of these is reuse (use again)? (a) melt glass into new jars (b) buy less packaging (c) use a jar as a pen stand (d) turn plastic into tiles
7. 7.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) recycle (c) reduce
8. 8.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) recycle, reuse, reduce (c) reduce, reuse, recycle (d) burn, bury, forget
9. 9.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
10. 10.Which of these is reuse (use again)? (a) refill a water bottle (b) carry a cloth bag (c) buy less packaging (d) print on both sides
11. 11.True or false: diesel is a renewable energy source. (a) True (b) False
12. 12.True or false: wind is a non-renewable energy source. (a) False (b) True
13. 13.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
14. 14.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
15. 15.True or false: petrol is a renewable energy source. (a) False (b) True
16. 16.♻️ Which energy source will never run out? (a) sunlight (b) coal (c) diesel (d) petrol
17. 17.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.♻️ A project report has 40 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
19. 19.Which of these is recycle (make new things)? (a) print on both sides (b) melt glass into new jars (c) switch off unused lights (d) refill a water bottle
20. 20.Which of these is reduce (use less)? (a) melt cans into new cans (b) turn plastic into tiles (c) reuse gift paper (d) carry a cloth bag
21. 21.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 3000 bottles?
22. 22.Which of these is reduce (use less)? (a) refill a water bottle (b) print on both sides (c) use a jar as a pen stand (d) melt glass into new jars
23. 23.True or false: coal is a renewable energy source. (a) True (b) False
24. 24.Which of these is recycle (make new things)? (a) reuse gift paper (b) melt cans into new cans (c) refill a water bottle (d) print on both sides
25. 25.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
26. 26.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
27. 27.True or false: sunlight is a non-renewable energy source. (a) False (b) True
28. 28.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 2250 bottles?
29. 29.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
30. 30.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reuse (c) reduce
31. 31.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3200 bottles?
32. 32.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
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 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
35. 35.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
36. 36.Which of these is recycle (make new things)? (a) use a jar as a pen stand (b) turn plastic into tiles (c) plant in old tyres (d) reuse gift paper
37. 37.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
38. 38.True or false: flowing river water is a renewable energy source. (a) False (b) True
39. 39.♻️ A project report has 26 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A sustainable design … (a) wastes water (b) protects the future (c) uses the most plastic (d) lasts one day

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