Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 233 · 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.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reuse (c) reduce
2. 2.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2400 bottles?
3. 3.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) reduce (c) recycle
4. 4.Which of these is reduce (use less)? (a) refill a water bottle (b) turn plastic into tiles (c) reuse gift paper (d) print on both sides
5. 5.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) burn, bury, forget (c) reuse, recycle, reduce (d) recycle, reuse, reduce
6. 6.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 4500 bottles?
7. 7.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
8. 8.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
9. 9.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.Which of these is recycle (make new things)? (a) pulp old paper (b) refill a water bottle (c) reuse gift paper (d) buy less packaging
11. 11.Which of these is reduce (use less)? (a) fix a dripping tap (b) turn plastic into tiles (c) melt glass into new jars (d) reuse gift paper
12. 12.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1800 bottles?
13. 13.♻️ 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?
14. 14.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-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 2 weeks?
16. 16.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2100 bottles?
17. 17.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
19. 19.True or false: wind is a renewable energy source. (a) True (b) False
20. 20.True or false: diesel is a renewable energy source. (a) True (b) False
21. 21.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reuse (c) reduce
22. 22.Which of these is recycle (make new things)? (a) buy less packaging (b) turn plastic into tiles (c) refill a water bottle (d) switch off unused lights
23. 23.True or false: flowing river water is a renewable energy source. (a) True (b) False
24. 24.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) recycle (c) reduce
25. 25.♻️ Which energy source will never run out? (a) diesel (b) coal (c) sunlight (d) petrol
26. 26.True or false: natural gas is a non-renewable energy source. (a) True (b) False
27. 27.Which of these is reduce (use less)? (a) refill a water bottle (b) plant in old tyres (c) carry a cloth bag (d) turn plastic into tiles
28. 28.True or false: coal is a renewable energy source. (a) False (b) True
29. 29.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
30. 30.♻️ A project report has 32 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
32. 32.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
33. 33.Which of these is reduce (use less)? (a) switch off unused lights (b) use a jar as a pen stand (c) plant in old tyres (d) turn plastic into tiles
34. 34.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) protects the future (d) uses the most plastic
35. 35.True or false: petrol is a renewable energy source. (a) False (b) True
36. 36.Which of these is reuse (use again)? (a) refill a water bottle (b) melt cans into new cans (c) buy less packaging (d) melt glass into new jars
37. 37.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) reduce (c) recycle
38. 38.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) reduce (c) recycle
39. 39.Which of these is recycle (make new things)? (a) melt glass into new jars (b) refill a water bottle (c) print on both sides (d) switch off unused lights
40. 40.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?

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