Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 491 · 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 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
2. 2.♻️ Which energy source will never run out? (a) coal (b) sunlight (c) diesel (d) petrol
3. 3.Which of these is recycle (make new things)? (a) refill a water bottle (b) switch off unused lights (c) melt glass into new jars (d) print on both sides
4. 4.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 200 bottles?
5. 5.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reduce (c) reuse
6. 6.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
7. 7.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
8. 8.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 2250 bottles?
9. 9.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) reuse (c) recycle
11. 11.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
12. 12.Which of these is reuse (use again)? (a) plant in old tyres (b) print on both sides (c) pulp old paper (d) melt glass into new jars
13. 13.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
14. 14.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
15. 15.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
16. 16.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
18. 18.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 1000 bottles?
19. 19.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
20. 20.True or false: natural gas is a renewable energy source. (a) False (b) True
21. 21.Which of these is recycle (make new things)? (a) buy less packaging (b) melt cans into new cans (c) reuse gift paper (d) use a jar as a pen stand
22. 22.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reduce (c) reuse
23. 23.♻️ 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
24. 24.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
25. 25.True or false: natural gas is a non-renewable energy source. (a) False (b) True
26. 26.True or false: wind is a renewable energy source. (a) False (b) True
27. 27.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ A sustainable design … (a) lasts one day (b) uses the most plastic (c) protects the future (d) wastes water
29. 29.Which of these is reuse (use again)? (a) melt glass into new jars (b) turn plastic into tiles (c) carry a cloth bag (d) refill a water bottle
30. 30.True or false: sunlight is a renewable energy source. (a) True (b) False
31. 31.Which of these is reduce (use less)? (a) print on both sides (b) melt cans into new cans (c) turn plastic into tiles (d) plant in old tyres
32. 32.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 2100 bottles?
33. 33.♻️ Reduce, reuse or recycle: print on both sides? (a) reduce (b) reuse (c) recycle
34. 34.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 900 bottles?
35. 35.Which of these is reduce (use less)? (a) melt cans into new cans (b) fix a dripping tap (c) melt glass into new jars (d) reuse gift paper
36. 36.True or false: diesel is a renewable energy source. (a) False (b) True
37. 37.True or false: sunlight is a non-renewable energy source. (a) False (b) True
38. 38.Which of these is reuse (use again)? (a) melt cans into new cans (b) switch off unused lights (c) carry a cloth bag (d) reuse gift paper
39. 39.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reuse (c) reduce
40. 40.True or false: coal is a non-renewable energy source. (a) False (b) True

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