Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 674 · 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.True or false: biogas from waste is a non-renewable energy source. (a) False (b) True
2. 2.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
3. 3.True or false: natural gas is a renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
5. 5.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt glass into new jars (c) turn plastic into tiles (d) give old books away
6. 6.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) melt glass into new jars (c) switch off unused lights (d) melt cans into new cans
7. 7.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
8. 8.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
9. 9.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reduce (c) reuse
10. 10.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
11. 11.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
12. 12.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
13. 13.Which of these is recycle (make new things)? (a) print on both sides (b) fix a dripping tap (c) plant in old tyres (d) melt cans into new cans
14. 14.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
15. 15.♻️ A project report has 36 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
16. 16.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
17. 17.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 2500 bottles?
18. 18.Which of these is reduce (use less)? (a) plant in old tyres (b) print on both sides (c) give old books away (d) refill a water bottle
19. 19.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce
20. 20.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
21. 21.True or false: petrol is a non-renewable energy source. (a) True (b) False
22. 22.True or false: coal is a non-renewable energy source. (a) False (b) True
23. 23.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
24. 24.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
25. 25.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
26. 26.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
27. 27.♻️ 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?
28. 28.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) reuse (c) recycle
30. 30.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
31. 31.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) reduce, reuse, recycle (c) recycle, reuse, reduce (d) burn, bury, forget
32. 32.Which of these is reuse (use again)? (a) print on both sides (b) buy less packaging (c) fix a dripping tap (d) reuse gift paper
33. 33.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1200 bottles?
35. 35.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
36. 36.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
37. 37.True or false: wind is a renewable energy source. (a) True (b) False
38. 38.♻️ A sustainable design … (a) wastes water (b) protects the future (c) lasts one day (d) uses the most plastic
39. 39.♻️ 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?
40. 40.Which of these is reuse (use again)? (a) pulp old paper (b) print on both sides (c) give old books away (d) melt glass into new jars

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