Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 752 · 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 11 weeks?
2. 2.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
3. 3.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
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) recycle (b) reduce (c) reuse
6. 6.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
7. 7.Which of these is recycle (make new things)? (a) melt glass into new jars (b) plant in old tyres (c) use a jar as a pen stand (d) carry a cloth bag
8. 8.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) reuse (c) recycle
9. 9.True or false: petrol is a non-renewable energy source. (a) False (b) True
10. 10.Which of these is reuse (use again)? (a) carry a cloth bag (b) melt glass into new jars (c) use a jar as a pen stand (d) fix a dripping tap
11. 11.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) reduce (c) recycle
12. 12.♻️ Which energy source will never run out? (a) coal (b) sunlight (c) diesel (d) petrol
13. 13.Which of these is reduce (use less)? (a) melt cans into new cans (b) pulp old paper (c) buy less packaging (d) melt glass into new jars
14. 14.True or false: wind is a non-renewable energy source. (a) True (b) False
15. 15.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) reduce (c) recycle
16. 16.♻️ A project report has 64 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
17. 17.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
18. 18.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
19. 19.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reduce (c) reuse
20. 20.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) give old books away (c) melt cans into new cans (d) carry a cloth bag
21. 21.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) recycle (b) reduce (c) reuse
22. 22.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
23. 23.True or false: flowing river water is a renewable energy source. (a) False (b) True
24. 24.True or false: biogas from waste is a renewable energy source. (a) False (b) True
25. 25.True or false: coal is a non-renewable energy source. (a) True (b) False
26. 26.Which of these is reuse (use again)? (a) reuse gift paper (b) switch off unused lights (c) turn plastic into tiles (d) print on both sides
27. 27.♻️ A sustainable design … (a) protects the future (b) lasts one day (c) uses the most plastic (d) wastes water
28. 28.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
29. 29.True or false: petrol is a renewable energy source. (a) True (b) False
30. 30.Which of these is reduce (use less)? (a) melt cans into new cans (b) turn plastic into tiles (c) fix a dripping tap (d) reuse gift paper
31. 31.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
32. 32.♻️ 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
33. 33.Which of these is reduce (use less)? (a) plant in old tyres (b) refill a water bottle (c) melt glass into new jars (d) switch off unused lights
34. 34.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
35. 35.True or false: natural gas is a non-renewable energy source. (a) False (b) True
36. 36.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reuse (c) reduce
37. 37.Which of these is recycle (make new things)? (a) fix a dripping tap (b) reuse gift paper (c) refill a water bottle (d) pulp old paper
38. 38.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
39. 39.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 700 bottles?
40. 40.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reuse (c) reduce

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