Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 910 · 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 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
2. 2.Which of these is reuse (use again)? (a) reuse gift paper (b) switch off unused lights (c) print on both sides (d) carry a cloth bag
3. 3.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 4500 bottles?
4. 4.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) recycle, reuse, reduce (c) burn, bury, forget (d) reuse, recycle, reduce
5. 5.Which of these is reduce (use less)? (a) refill a water bottle (b) melt cans into new cans (c) fix a dripping tap (d) reuse gift paper
6. 6.♻️ Which energy source will never run out? (a) petrol (b) coal (c) sunlight (d) diesel
7. 7.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
8. 8.♻️ A project report has 26 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
9. 9.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
10. 10.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) recycle (c) reduce
11. 11.♻️ A sustainable design … (a) wastes water (b) uses the most plastic (c) lasts one day (d) protects the future
12. 12.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
13. 13.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
14. 14.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
15. 15.Which of these is recycle (make new things)? (a) fix a dripping tap (b) use a jar as a pen stand (c) turn plastic into tiles (d) refill a water bottle
16. 16.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 3000 bottles?
17. 17.Which of these is recycle (make new things)? (a) refill a water bottle (b) pulp old paper (c) fix a dripping tap (d) switch off unused lights
18. 18.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
19. 19.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 1600 bottles?
20. 20.Which of these is reuse (use again)? (a) carry a cloth bag (b) melt cans into new cans (c) melt glass into new jars (d) give old books away
21. 21.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
22. 22.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
23. 23.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
24. 24.Which of these is reduce (use less)? (a) plant in old tyres (b) print on both sides (c) turn plastic into tiles (d) refill a water bottle
25. 25.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
26. 26.Which of these is recycle (make new things)? (a) plant in old tyres (b) melt glass into new jars (c) print on both sides (d) fix a dripping tap
27. 27.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reduce (c) reuse
28. 28.True or false: flowing river water is a renewable energy source. (a) True (b) False
29. 29.True or false: diesel is a non-renewable energy source. (a) True (b) False
30. 30.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1400 bottles?
31. 31.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) reuse (c) recycle
32. 32.True or false: natural gas is a renewable energy source. (a) True (b) False
33. 33.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1200 bottles?
34. 34.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
35. 35.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
36. 36.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) recycle (c) reduce
37. 37.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
38. 38.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2500 bottles?
39. 39.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) reuse (c) recycle
40. 40.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?

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