Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 454 · 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: wind is a non-renewable energy source. (a) True (b) False
2. 2.♻️ A project report has 54 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
3. 3.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) recycle (c) reuse
4. 4.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
6. 6.True or false: natural gas is a renewable energy source. (a) False (b) True
7. 7.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
8. 8.Which of these is recycle (make new things)? (a) buy less packaging (b) melt glass into new jars (c) switch off unused lights (d) give old books away
9. 9.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) petrol (d) coal
10. 10.Which of these is recycle (make new things)? (a) reuse gift paper (b) buy less packaging (c) print on both sides (d) melt cans into new cans
11. 11.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
12. 12.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
13. 13.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) protects the future (d) wastes water
14. 14.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
15. 15.True or false: diesel is a renewable energy source. (a) False (b) True
16. 16.True or false: coal is a renewable energy source. (a) False (b) True
17. 17.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?
19. 19.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
20. 20.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
21. 21.Which of these is reduce (use less)? (a) carry a cloth bag (b) melt glass into new jars (c) melt cans into new cans (d) turn plastic into tiles
22. 22.Which of these is reuse (use again)? (a) pulp old paper (b) give old books away (c) fix a dripping tap (d) print on both sides
23. 23.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reduce (c) reuse
25. 25.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
26. 26.Which of these is reuse (use again)? (a) carry a cloth bag (b) switch off unused lights (c) plant in old tyres (d) print on both sides
27. 27.Which of these is recycle (make new things)? (a) print on both sides (b) switch off unused lights (c) plant in old tyres (d) pulp old paper
28. 28.♻️ A project report has 24 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 5400 bottles?
30. 30.True or false: diesel is a non-renewable energy source. (a) False (b) True
31. 31.True or false: sunlight is a renewable energy source. (a) True (b) False
32. 32.Which of these is reuse (use again)? (a) refill a water bottle (b) carry a cloth bag (c) pulp old paper (d) print on both sides
33. 33.♻️ Reduce, reuse or recycle: give old books away? (a) reuse (b) reduce (c) recycle
34. 34.Which of these is reduce (use less)? (a) melt glass into new jars (b) switch off unused lights (c) refill a water bottle (d) turn plastic into tiles
35. 35.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
36. 36.True or false: wind is a renewable energy source. (a) False (b) True
37. 37.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
38. 38.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
39. 39.Which of these is reduce (use less)? (a) fix a dripping tap (b) melt cans into new cans (c) reuse gift paper (d) refill a water bottle
40. 40.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reduce (b) reuse (c) recycle

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