Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 152 · 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.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
2. 2.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
3. 3.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
4. 4.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
5. 5.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
6. 6.True or false: natural gas is a non-renewable energy source. (a) False (b) True
7. 7.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) recycle, reuse, reduce
8. 8.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
9. 9.Which of these is reuse (use again)? (a) melt cans into new cans (b) print on both sides (c) turn plastic into tiles (d) give old books away
10. 10.Which of these is reduce (use less)? (a) plant in old tyres (b) melt cans into new cans (c) refill a water bottle (d) carry a cloth bag
11. 11.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
12. 12.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
13. 13.Which of these is recycle (make new things)? (a) pulp old paper (b) switch off unused lights (c) refill a water bottle (d) plant in old tyres
14. 14.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
15. 15.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
16. 16.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reduce (c) reuse
17. 17.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
18. 18.True or false: wind is a non-renewable energy source. (a) True (b) False
19. 19.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) uses the most plastic (d) wastes water
20. 20.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.Which of these is reduce (use less)? (a) turn plastic into tiles (b) fix a dripping tap (c) refill a water bottle (d) plant in old tyres
22. 22.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
23. 23.♻️ A project report has 28 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
24. 24.True or false: wind is a renewable energy source. (a) False (b) True
25. 25.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1500 bottles?
26. 26.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
27. 27.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
28. 28.♻️ A project report has 36 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) turn plastic into tiles (b) fix a dripping tap (c) melt glass into new jars (d) use a jar as a pen stand
30. 30.♻️ 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?
31. 31.♻️ A project report has 12 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
32. 32.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
33. 33.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
35. 35.Which of these is reuse (use again)? (a) melt cans into new cans (b) turn plastic into tiles (c) reuse gift paper (d) carry a cloth bag
36. 36.♻️ A project report has 38 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
38. 38.♻️ A project report has 66 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
40. 40.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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