Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 196 · 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 reuse (use again)? (a) pulp old paper (b) carry a cloth bag (c) plant in old tyres (d) print on both sides
2. 2.True or false: biogas from waste is a renewable energy source. (a) False (b) True
3. 3.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
4. 4.True or false: petrol is a renewable energy source. (a) True (b) False
5. 5.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
6. 6.Which of these is recycle (make new things)? (a) carry a cloth bag (b) print on both sides (c) melt glass into new jars (d) give old books away
7. 7.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
8. 8.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
9. 9.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
10. 10.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
11. 11.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt cans into new cans (c) give old books away (d) turn plastic into tiles
12. 12.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) buy less packaging (c) melt cans into new cans (d) switch off unused lights
13. 13.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) recycle (c) reduce
14. 14.Which of these is recycle (make new things)? (a) pulp old paper (b) print on both sides (c) fix a dripping tap (d) plant in old tyres
15. 15.True or false: sunlight is a renewable energy source. (a) True (b) False
16. 16.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
17. 17.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) sunlight (d) coal
18. 18.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) recycle (c) reduce
19. 19.Which of these is recycle (make new things)? (a) melt cans into new cans (b) buy less packaging (c) fix a dripping tap (d) refill a water bottle
20. 20.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
21. 21.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1200 bottles?
22. 22.♻️ A project report has 82 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
23. 23.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
24. 24.♻️ A sustainable design … (a) wastes water (b) protects the future (c) uses the most plastic (d) lasts one day
25. 25.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.Which of these is reduce (use less)? (a) reuse gift paper (b) give old books away (c) switch off unused lights (d) use a jar as a pen stand
27. 27.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) recycle, reuse, reduce (c) reduce, reuse, recycle (d) burn, bury, forget
28. 28.♻️ 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?
29. 29.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
30. 30.True or false: flowing river water is a renewable energy source. (a) False (b) True
31. 31.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
32. 32.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) recycle (c) reduce
33. 33.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) recycle (c) reduce
34. 34.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
36. 36.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
37. 37.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
38. 38.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4000 bottles?
39. 39.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
40. 40.♻️ 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?

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