Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 249 · 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 500 recycled plastic bottles. How many benches can be made from 3000 bottles?
2. 2.Which of these is reuse (use again)? (a) pulp old paper (b) carry a cloth bag (c) give old books away (d) fix a dripping tap
3. 3.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
4. 4.Which of these is reduce (use less)? (a) melt glass into new jars (b) turn plastic into tiles (c) buy less packaging (d) reuse gift paper
5. 5.Which of these is recycle (make new things)? (a) melt glass into new jars (b) print on both sides (c) use a jar as a pen stand (d) carry a cloth bag
6. 6.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
7. 7.True or false: wind is a non-renewable energy source. (a) False (b) True
8. 8.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
9. 9.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ 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?
11. 11.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
12. 12.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) wastes water (d) protects the future
13. 13.Which of these is reuse (use again)? (a) reuse gift paper (b) melt cans into new cans (c) pulp old paper (d) fix a dripping tap
14. 14.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
16. 16.♻️ A project report has 16 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
17. 17.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) recycle, reuse, reduce (c) burn, bury, forget (d) reuse, recycle, reduce
18. 18.♻️ A project report has 96 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
19. 19.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 800 bottles?
21. 21.Which of these is recycle (make new things)? (a) print on both sides (b) turn plastic into tiles (c) give old books away (d) use a jar as a pen stand
22. 22.Which of these is recycle (make new things)? (a) print on both sides (b) use a jar as a pen stand (c) switch off unused lights (d) melt cans into new cans
23. 23.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
24. 24.Which of these is reduce (use less)? (a) plant in old tyres (b) give old books away (c) switch off unused lights (d) pulp old paper
25. 25.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 600 bottles?
27. 27.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
28. 28.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
29. 29.♻️ Which energy source will never run out? (a) diesel (b) coal (c) petrol (d) sunlight
30. 30.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
31. 31.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 900 bottles?
32. 32.♻️ A project report has 70 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
33. 33.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
34. 34.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) reuse (c) recycle
35. 35.♻️ A project report has 38 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
36. 36.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
37. 37.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 3000 bottles?
38. 38.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2700 bottles?
39. 39.♻️ A project report has 84 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A project report has 48 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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