Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 634 · 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 2 weeks?
2. 2.True or false: wind is a non-renewable energy source. (a) True (b) False
3. 3.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
4. 4.True or false: biogas from waste is a non-renewable energy source. (a) True (b) False
5. 5.♻️ 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
6. 6.♻️ Reduce, reuse or recycle: buy less packaging? (a) reduce (b) reuse (c) recycle
7. 7.True or false: diesel is a non-renewable energy source. (a) True (b) False
8. 8.True or false: sunlight is a non-renewable energy source. (a) True (b) False
9. 9.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?
10. 10.Which of these is recycle (make new things)? (a) give old books away (b) plant in old tyres (c) turn plastic into tiles (d) switch off unused lights
11. 11.True or false: biogas from waste is a renewable energy source. (a) True (b) False
12. 12.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1200 bottles?
13. 13.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
14. 14.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
15. 15.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
16. 16.Which of these is reduce (use less)? (a) fix a dripping tap (b) refill a water bottle (c) give old books away (d) pulp old paper
17. 17.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) reduce (c) recycle
18. 18.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
20. 20.Which of these is recycle (make new things)? (a) switch off unused lights (b) reuse gift paper (c) melt cans into new cans (d) give old books away
21. 21.True or false: coal is a non-renewable energy source. (a) True (b) False
22. 22.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 600 bottles?
23. 23.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
24. 24.Which of these is reuse (use again)? (a) melt glass into new jars (b) switch off unused lights (c) carry a cloth bag (d) reuse gift paper
25. 25.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reuse (b) recycle (c) reduce
26. 26.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reduce (c) reuse
27. 27.♻️ A project report has 20 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ Which energy source will never run out? (a) diesel (b) sunlight (c) petrol (d) coal
29. 29.True or false: coal is a renewable energy source. (a) True (b) False
30. 30.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reduce (c) reuse
31. 31.True or false: wind is a renewable energy source. (a) False (b) True
32. 32.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) reuse (c) recycle
33. 33.Which of these is recycle (make new things)? (a) use a jar as a pen stand (b) fix a dripping tap (c) melt glass into new jars (d) print on both sides
34. 34.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1650 bottles?
35. 35.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) reduce (c) recycle
36. 36.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
37. 37.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 400 bottles?
38. 38.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
39. 39.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable

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