Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 240 · 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.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
2. 2.True or false: flowing river water is a renewable energy source. (a) True (b) False
3. 3.True or false: sunlight is a non-renewable energy source. (a) True (b) False
4. 4.♻️ A sustainable design … (a) lasts one day (b) uses the most plastic (c) protects the future (d) wastes water
5. 5.♻️ A project report has 40 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
6. 6.♻️ Which energy source will never run out? (a) sunlight (b) diesel (c) coal (d) petrol
7. 7.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) recycle (c) reuse
8. 8.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
9. 9.True or false: wind is a renewable energy source. (a) False (b) True
10. 10.Which of these is reduce (use less)? (a) turn plastic into tiles (b) pulp old paper (c) switch off unused lights (d) use a jar as a pen stand
11. 11.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
12. 12.Which of these is reuse (use again)? (a) refill a water bottle (b) fix a dripping tap (c) print on both sides (d) turn plastic into tiles
13. 13.Which of these is reuse (use again)? (a) melt cans into new cans (b) melt glass into new jars (c) turn plastic into tiles (d) reuse gift paper
14. 14.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 3300 bottles?
15. 15.True or false: diesel is a non-renewable energy source. (a) False (b) True
16. 16.♻️ A project report has 58 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
17. 17.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
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) give old books away (b) pulp old paper (c) plant in old tyres (d) print on both sides
20. 20.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reuse (c) reduce
21. 21.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
22. 22.Which of these is reduce (use less)? (a) melt cans into new cans (b) give old books away (c) use a jar as a pen stand (d) buy less packaging
23. 23.Which of these is reuse (use again)? (a) fix a dripping tap (b) melt glass into new jars (c) carry a cloth bag (d) plant in old tyres
24. 24.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 3500 bottles?
25. 25.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) reuse (c) recycle
26. 26.Which of these is reuse (use again)? (a) turn plastic into tiles (b) melt glass into new jars (c) give old books away (d) fix a dripping tap
27. 27.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
29. 29.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 500 bottles?
30. 30.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
31. 31.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
32. 32.Which of these is reuse (use again)? (a) use a jar as a pen stand (b) switch off unused lights (c) pulp old paper (d) turn plastic into tiles
33. 33.Which of these is reduce (use less)? (a) turn plastic into tiles (b) print on both sides (c) give old books away (d) reuse gift paper
34. 34.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
35. 35.Which of these is recycle (make new things)? (a) give old books away (b) plant in old tyres (c) turn plastic into tiles (d) reuse gift paper
36. 36.True or false: coal is a non-renewable energy source. (a) True (b) False
37. 37.Which of these is recycle (make new things)? (a) refill a water bottle (b) melt glass into new jars (c) use a jar as a pen stand (d) reuse gift paper
38. 38.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) reuse (c) recycle
39. 39.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1800 bottles?
40. 40.♻️ A project report has 66 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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