Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 146 · 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 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
2. 2.Which of these is recycle (make new things)? (a) buy less packaging (b) melt glass into new jars (c) switch off unused lights (d) use a jar as a pen stand
3. 3.Which of these is reduce (use less)? (a) fix a dripping tap (b) turn plastic into tiles (c) use a jar as a pen stand (d) melt glass into new jars
4. 4.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
6. 6.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
7. 7.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2200 bottles?
8. 8.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
9. 9.♻️ Which energy source will never run out? (a) diesel (b) petrol (c) coal (d) sunlight
10. 10.Which of these is reuse (use again)? (a) pulp old paper (b) refill a water bottle (c) fix a dripping tap (d) melt glass into new jars
11. 11.True or false: petrol is a renewable energy source. (a) False (b) True
12. 12.True or false: natural gas is a non-renewable energy source. (a) True (b) False
13. 13.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) reuse, recycle, reduce
14. 14.Which of these is reuse (use again)? (a) switch off unused lights (b) pulp old paper (c) buy less packaging (d) give old books away
15. 15.True or false: sunlight is a renewable energy source. (a) True (b) False
16. 16.True or false: diesel is a non-renewable energy source. (a) True (b) False
17. 17.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
18. 18.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
19. 19.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2750 bottles?
20. 20.True or false: coal is a non-renewable energy source. (a) True (b) False
21. 21.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
22. 22.True or false: natural gas is a renewable energy source. (a) True (b) False
23. 23.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 400 bottles?
24. 24.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
25. 25.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
26. 26.Which of these is reuse (use again)? (a) reuse gift paper (b) melt glass into new jars (c) pulp old paper (d) carry a cloth bag
27. 27.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 600 bottles?
28. 28.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 700 bottles?
29. 29.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce
30. 30.♻️ A sustainable design … (a) protects the future (b) wastes water (c) lasts one day (d) uses the most plastic
31. 31.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
32. 32.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
33. 33.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
34. 34.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1200 bottles?
35. 35.Which of these is reuse (use again)? (a) plant in old tyres (b) melt cans into new cans (c) carry a cloth bag (d) fix a dripping tap
36. 36.True or false: petrol is a non-renewable energy source. (a) True (b) False
37. 37.True or false: wind is a non-renewable energy source. (a) True (b) False
38. 38.Which of these is reduce (use less)? (a) melt glass into new jars (b) carry a cloth bag (c) pulp old paper (d) use a jar as a pen stand
39. 39.True or false: wind is a renewable energy source. (a) True (b) False
40. 40.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1050 bottles?

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