Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 810 · 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.Which of these is reduce (use less)? (a) print on both sides (b) use a jar as a pen stand (c) refill a water bottle (d) melt glass into new jars
2. 2.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) recycle (c) reduce
3. 3.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1200 bottles?
4. 4.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) recycle (c) reduce
5. 5.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
6. 6.♻️ A sustainable design … (a) lasts one day (b) wastes water (c) uses the most plastic (d) protects the future
7. 7.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
8. 8.Which of these is reduce (use less)? (a) turn plastic into tiles (b) pulp old paper (c) plant in old tyres (d) buy less packaging
9. 9.True or false: natural gas is a renewable energy source. (a) False (b) True
10. 10.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) recycle (c) reduce
11. 11.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) recycle, reuse, reduce (d) reduce, reuse, recycle
12. 12.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reduce (c) reuse
13. 13.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
15. 15.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) reduce (c) recycle
16. 16.Which of these is reduce (use less)? (a) give old books away (b) reuse gift paper (c) carry a cloth bag (d) turn plastic into tiles
17. 17.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
18. 18.Which of these is recycle (make new things)? (a) carry a cloth bag (b) refill a water bottle (c) reuse gift paper (d) melt cans into new cans
19. 19.Which of these is reuse (use again)? (a) fix a dripping tap (b) turn plastic into tiles (c) use a jar as a pen stand (d) print on both sides
20. 20.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1100 bottles?
21. 21.♻️ A project report has 58 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
22. 22.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
23. 23.Which of these is recycle (make new things)? (a) plant in old tyres (b) refill a water bottle (c) switch off unused lights (d) turn plastic into tiles
24. 24.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 400 bottles?
25. 25.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
27. 27.Which of these is reuse (use again)? (a) print on both sides (b) fix a dripping tap (c) reuse gift paper (d) melt glass into new jars
28. 28.♻️ A project report has 20 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.Which of these is reuse (use again)? (a) print on both sides (b) buy less packaging (c) melt glass into new jars (d) plant in old tyres
30. 30.♻️ A project report has 36 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 300 recycled plastic bottles. How many benches can be made from 3000 bottles?
32. 32.♻️ A project report has 16 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
33. 33.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
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 3 weeks?
35. 35.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
36. 36.♻️ A project report has 52 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
38. 38.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
39. 39.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
40. 40.True or false: coal is a non-renewable energy source. (a) False (b) True

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