Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 829 · 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 school bench is made from 400 recycled plastic bottles. How many benches can be made from 4400 bottles?
2. 2.Which of these is reuse (use again)? (a) reuse gift paper (b) print on both sides (c) carry a cloth bag (d) pulp old paper
3. 3.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
4. 4.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
5. 5.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
6. 6.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
7. 7.♻️ A sustainable design … (a) protects the future (b) wastes water (c) lasts one day (d) uses the most plastic
8. 8.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) recycle, reuse, reduce
9. 9.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
11. 11.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
12. 12.♻️ Which energy source will never run out? (a) coal (b) diesel (c) petrol (d) sunlight
13. 13.Which of these is reuse (use again)? (a) melt cans into new cans (b) use a jar as a pen stand (c) carry a cloth bag (d) melt glass into new jars
14. 14.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
15. 15.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
16. 16.True or false: natural gas is a non-renewable energy source. (a) True (b) False
17. 17.Which of these is reduce (use less)? (a) melt cans into new cans (b) reuse gift paper (c) use a jar as a pen stand (d) print on both sides
18. 18.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
19. 19.True or false: diesel is a renewable energy source. (a) False (b) True
20. 20.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
21. 21.Which of these is reuse (use again)? (a) carry a cloth bag (b) print on both sides (c) give old books away (d) melt glass into new jars
22. 22.Which of these is reuse (use again)? (a) refill a water bottle (b) turn plastic into tiles (c) switch off unused lights (d) print on both sides
23. 23.True or false: natural gas is a renewable energy source. (a) False (b) True
24. 24.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
25. 25.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
26. 26.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) reduce (c) recycle
27. 27.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
28. 28.Which of these is recycle (make new things)? (a) carry a cloth bag (b) switch off unused lights (c) melt glass into new jars (d) buy less packaging
29. 29.Which of these is reduce (use less)? (a) melt cans into new cans (b) use a jar as a pen stand (c) give old books away (d) fix a dripping tap
30. 30.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reduce (c) reuse
31. 31.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
32. 32.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
33. 33.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
34. 34.True or false: petrol is a renewable energy source. (a) False (b) True
35. 35.True or false: wind is a non-renewable energy source. (a) True (b) False
36. 36.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
37. 37.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
38. 38.Which of these is reduce (use less)? (a) melt glass into new jars (b) give old books away (c) buy less packaging (d) pulp old paper
39. 39.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
40. 40.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce

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