Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 51 · 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 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
2. 2.True or false: diesel is a renewable energy source. (a) True (b) False
3. 3.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) recycle (c) reduce
4. 4.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reuse, recycle, reduce (d) reduce, reuse, recycle
5. 5.♻️ Which energy source will never run out? (a) coal (b) sunlight (c) diesel (d) petrol
6. 6.♻️ Reduce, reuse or recycle: reuse gift paper? (a) recycle (b) reuse (c) reduce
7. 7.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3850 bottles?
8. 8.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
9. 9.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
10. 10.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
11. 11.♻️ A project report has 96 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
12. 12.Which of these is reuse (use again)? (a) plant in old tyres (b) buy less packaging (c) fix a dripping tap (d) melt cans into new cans
13. 13.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
14. 14.Which of these is recycle (make new things)? (a) switch off unused lights (b) refill a water bottle (c) give old books away (d) melt glass into new jars
15. 15.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reduce (c) reuse
16. 16.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse
17. 17.True or false: biogas from waste is a renewable energy source. (a) False (b) True
18. 18.True or false: petrol is a renewable energy source. (a) True (b) False
19. 19.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
20. 20.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reduce (b) recycle (c) reuse
21. 21.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
22. 22.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) recycle (b) reduce (c) reuse
23. 23.♻️ A project report has 72 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
24. 24.♻️ A sustainable design … (a) uses the most plastic (b) lasts one day (c) wastes water (d) protects the future
25. 25.♻️ A project report has 18 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.Which of these is reduce (use less)? (a) reuse gift paper (b) fix a dripping tap (c) melt cans into new cans (d) turn plastic into tiles
27. 27.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
28. 28.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
29. 29.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) recycle (c) reduce
30. 30.♻️ A project report has 22 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1050 bottles?
32. 32.Which of these is reuse (use again)? (a) print on both sides (b) use a jar as a pen stand (c) melt cans into new cans (d) buy less packaging
33. 33.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reuse (c) reduce
34. 34.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
35. 35.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reuse (c) reduce
36. 36.Which of these is reduce (use less)? (a) print on both sides (b) melt glass into new jars (c) refill a water bottle (d) use a jar as a pen stand
37. 37.True or false: coal is a renewable energy source. (a) True (b) False
38. 38.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) plant in old tyres (c) pulp old paper (d) buy less packaging
39. 39.Which of these is reuse (use again)? (a) melt glass into new jars (b) carry a cloth bag (c) give old books away (d) buy less packaging
40. 40.True or false: petrol is a non-renewable energy source. (a) True (b) False

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