Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 320 · 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) refill a water bottle (b) give old books away (c) print on both sides (d) plant in old tyres
2. 2.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
3. 3.True or false: wind is a non-renewable energy source. (a) True (b) False
4. 4.Which of these is recycle (make new things)? (a) melt cans into new cans (b) reuse gift paper (c) give old books away (d) plant in old tyres
5. 5.True or false: coal is a non-renewable energy source. (a) True (b) False
6. 6.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
7. 7.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4800 bottles?
8. 8.True or false: natural gas is a non-renewable energy source. (a) True (b) False
9. 9.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 4000 bottles?
10. 10.Which of these is reduce (use less)? (a) carry a cloth bag (b) reuse gift paper (c) plant in old tyres (d) give old books away
11. 11.True or false: diesel is a non-renewable energy source. (a) True (b) False
12. 12.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.Which of these is reuse (use again)? (a) plant in old tyres (b) switch off unused lights (c) print on both sides (d) melt cans into new cans
14. 14.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
15. 15.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
16. 16.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
17. 17.True or false: petrol is a renewable energy source. (a) False (b) True
18. 18.Which of these is reuse (use again)? (a) switch off unused lights (b) buy less packaging (c) fix a dripping tap (d) give old books away
19. 19.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
21. 21.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2250 bottles?
22. 22.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
23. 23.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
25. 25.Which of these is reduce (use less)? (a) melt glass into new jars (b) give old books away (c) switch off unused lights (d) pulp old paper
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.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
28. 28.Which of these is reuse (use again)? (a) print on both sides (b) pulp old paper (c) turn plastic into tiles (d) refill a water bottle
29. 29.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) recycle (c) reduce
30. 30.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
31. 31.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
32. 32.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1200 bottles?
33. 33.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.True or false: flowing river water is a renewable energy source. (a) True (b) False
35. 35.True or false: sunlight is a renewable energy source. (a) False (b) True
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.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
38. 38.♻️ A project report has 38 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
39. 39.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) coal (d) sunlight
40. 40.True or false: natural gas is a renewable energy source. (a) False (b) True

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