Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 205 · 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 reuse (use again)? (a) fix a dripping tap (b) buy less packaging (c) melt cans into new cans (d) use a jar as a pen stand
2. 2.True or false: sunlight is a non-renewable energy source. (a) False (b) True
3. 3.True or false: sunlight is a renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reduce (b) recycle (c) reuse
5. 5.Which of these is reuse (use again)? (a) turn plastic into tiles (b) plant in old tyres (c) carry a cloth bag (d) pulp old paper
6. 6.Which of these is recycle (make new things)? (a) switch off unused lights (b) refill a water bottle (c) melt cans into new cans (d) print on both sides
7. 7.Which of these is reduce (use less)? (a) turn plastic into tiles (b) pulp old paper (c) plant in old tyres (d) carry a cloth bag
8. 8.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reduce (c) reuse
9. 9.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) reuse, recycle, reduce (c) burn, bury, forget (d) recycle, reuse, reduce
10. 10.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
11. 11.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
12. 12.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
13. 13.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
14. 14.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
15. 15.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reuse (c) reduce
16. 16.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
17. 17.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) wastes water (d) uses the most plastic
18. 18.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
19. 19.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.Which of these is reduce (use less)? (a) turn plastic into tiles (b) switch off unused lights (c) melt glass into new jars (d) use a jar as a pen stand
21. 21.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) print on both sides (c) turn plastic into tiles (d) melt glass into new jars
22. 22.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
23. 23.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
24. 24.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
25. 25.♻️ A project report has 66 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
27. 27.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
28. 28.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
30. 30.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) reuse (c) recycle
31. 31.Which of these is recycle (make new things)? (a) melt glass into new jars (b) plant in old tyres (c) use a jar as a pen stand (d) reuse gift paper
32. 32.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
33. 33.♻️ 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?
34. 34.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?
35. 35.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reduce (b) recycle (c) reuse
36. 36.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) recycle (c) reuse
37. 37.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 400 bottles?
38. 38.True or false: coal is a non-renewable energy source. (a) True (b) False
39. 39.True or false: natural gas is a non-renewable energy source. (a) False (b) True
40. 40.True or false: wind is a non-renewable energy source. (a) False (b) True

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