Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 221 · 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 reduce (use less)? (a) buy less packaging (b) use a jar as a pen stand (c) pulp old paper (d) give old books away
2. 2.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) recycle (c) reuse
3. 3.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4950 bottles?
4. 4.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
5. 5.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.Which of these is recycle (make new things)? (a) give old books away (b) melt glass into new jars (c) switch off unused lights (d) reuse gift paper
7. 7.True or false: sunlight is a renewable energy source. (a) True (b) False
8. 8.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reduce (c) reuse
9. 9.Which of these is reduce (use less)? (a) print on both sides (b) use a jar as a pen stand (c) melt glass into new jars (d) give old books away
10. 10.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
11. 11.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 3000 bottles?
12. 12.True or false: coal is a non-renewable energy source. (a) True (b) False
13. 13.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
14. 14.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
15. 15.True or false: wind is a renewable energy source. (a) True (b) False
16. 16.Which of these is reuse (use again)? (a) print on both sides (b) buy less packaging (c) give old books away (d) pulp old paper
17. 17.♻️ A sustainable design … (a) protects the future (b) wastes water (c) uses the most plastic (d) lasts one day
18. 18.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
19. 19.Which of these is reuse (use again)? (a) carry a cloth bag (b) refill a water bottle (c) turn plastic into tiles (d) buy less packaging
20. 20.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
21. 21.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) recycle, reuse, reduce (c) burn, bury, forget (d) reduce, reuse, recycle
22. 22.♻️ 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?
23. 23.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
24. 24.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reuse (c) reduce
25. 25.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
26. 26.♻️ 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?
27. 27.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
28. 28.♻️ Reduce, reuse or recycle: print on both sides? (a) reduce (b) recycle (c) reuse
29. 29.True or false: wind is a non-renewable energy source. (a) False (b) True
30. 30.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reuse (c) reduce
31. 31.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
32. 32.True or false: coal is a renewable energy source. (a) True (b) False
33. 33.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2400 bottles?
34. 34.Which of these is recycle (make new things)? (a) buy less packaging (b) turn plastic into tiles (c) reuse gift paper (d) print on both sides
35. 35.♻️ A family used to throw away 8 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
36. 36.♻️ A project report has 56 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
38. 38.Which of these is reuse (use again)? (a) carry a cloth bag (b) reuse gift paper (c) turn plastic into tiles (d) melt cans into new cans
39. 39.Which of these is reduce (use less)? (a) fix a dripping tap (b) reuse gift paper (c) pulp old paper (d) give old books away
40. 40.True or false: diesel is a renewable energy source. (a) False (b) True

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