Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 136 · 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 reduce (use less)? (a) turn plastic into tiles (b) refill a water bottle (c) melt cans into new cans (d) carry a cloth bag
2. 2.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
3. 3.Which of these is recycle (make new things)? (a) melt glass into new jars (b) fix a dripping tap (c) plant in old tyres (d) refill a water bottle
4. 4.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
5. 5.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) recycle (c) reduce
6. 6.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
7. 7.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
8. 8.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.Which of these is reuse (use again)? (a) carry a cloth bag (b) turn plastic into tiles (c) refill a water bottle (d) melt glass into new jars
10. 10.True or false: coal is a non-renewable energy source. (a) False (b) True
11. 11.Which of these is reduce (use less)? (a) refill a water bottle (b) melt cans into new cans (c) fix a dripping tap (d) plant in old tyres
12. 12.Which of these is reuse (use again)? (a) buy less packaging (b) use a jar as a pen stand (c) switch off unused lights (d) carry a cloth bag
13. 13.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.Which of these is reuse (use again)? (a) buy less packaging (b) carry a cloth bag (c) switch off unused lights (d) plant in old tyres
15. 15.True or false: sunlight is a non-renewable energy source. (a) True (b) False
16. 16.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
17. 17.♻️ Which energy source will never run out? (a) petrol (b) sunlight (c) coal (d) diesel
18. 18.True or false: diesel is a non-renewable energy source. (a) False (b) True
19. 19.♻️ A project report has 92 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
20. 20.♻️ A project report has 32 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
21. 21.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
22. 22.♻️ A project report has 34 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
23. 23.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
24. 24.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) reuse (c) recycle
25. 25.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
26. 26.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) recycle, reuse, reduce (c) reuse, recycle, reduce (d) burn, bury, forget
27. 27.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 2100 bottles?
28. 28.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
29. 29.True or false: natural gas is a non-renewable energy source. (a) False (b) True
30. 30.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1600 bottles?
31. 31.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) reuse (c) recycle
32. 32.True or false: petrol is a renewable energy source. (a) True (b) False
33. 33.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
35. 35.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
36. 36.Which of these is recycle (make new things)? (a) switch off unused lights (b) refill a water bottle (c) print on both sides (d) melt cans into new cans
37. 37.♻️ A project report has 78 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
38. 38.♻️ A sustainable design … (a) wastes water (b) lasts one day (c) uses the most plastic (d) protects the future
39. 39.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
40. 40.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?

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