Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 264 · 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 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?
2. 2.♻️ Which energy source will never run out? (a) diesel (b) coal (c) petrol (d) sunlight
3. 3.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
4. 4.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) reduce (c) recycle
6. 6.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) reduce (c) recycle
7. 7.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
8. 8.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) recycle, reuse, reduce
9. 9.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
10. 10.True or false: sunlight is a renewable energy source. (a) False (b) True
11. 11.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
12. 12.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
13. 13.True or false: wind is a non-renewable energy source. (a) True (b) False
14. 14.Which of these is reuse (use again)? (a) give old books away (b) turn plastic into tiles (c) melt glass into new jars (d) carry a cloth bag
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 9 weeks?
16. 16.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) protects the future (d) uses the most plastic
17. 17.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.Which of these is reduce (use less)? (a) melt cans into new cans (b) pulp old paper (c) use a jar as a pen stand (d) print on both sides
19. 19.True or false: diesel is a renewable energy source. (a) True (b) False
20. 20.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
21. 21.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce
22. 22.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
23. 23.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
25. 25.♻️ A project report has 94 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) recycle (c) reuse
27. 27.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.Which of these is reduce (use less)? (a) carry a cloth bag (b) give old books away (c) use a jar as a pen stand (d) melt glass into new jars
29. 29.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
30. 30.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
31. 31.True or false: ocean wave energy is a non-renewable energy source. (a) False (b) True
32. 32.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
33. 33.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4950 bottles?
34. 34.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
35. 35.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 300 bottles?
36. 36.Which of these is reduce (use less)? (a) pulp old paper (b) fix a dripping tap (c) melt cans into new cans (d) turn plastic into tiles
37. 37.Which of these is recycle (make new things)? (a) fix a dripping tap (b) reuse gift paper (c) melt glass into new jars (d) print on both sides
38. 38.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 900 bottles?
39. 39.Which of these is recycle (make new things)? (a) turn plastic into tiles (b) buy less packaging (c) plant in old tyres (d) refill a water bottle
40. 40.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce

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