Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 670 · 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.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) recycle (b) reuse (c) reduce
2. 2.♻️ A school bench is made from 250 recycled plastic bottles. How many benches can be made from 750 bottles?
3. 3.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) carry a cloth bag
4. 4.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 12 weeks?
5. 5.True or false: sunlight is a non-renewable energy source. (a) True (b) False
6. 6.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reduce (b) recycle (c) reuse
7. 7.Which of these is reuse (use again)? (a) buy less packaging (b) print on both sides (c) give old books away (d) pulp old paper
8. 8.True or false: petrol is a renewable energy source. (a) True (b) False
9. 9.♻️ Which energy source will never run out? (a) petrol (b) coal (c) diesel (d) sunlight
10. 10.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) 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 reduce (use less)? (a) reuse gift paper (b) use a jar as a pen stand (c) fix a dripping tap (d) melt cans into new cans
13. 13.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) reduce, reuse, recycle (d) recycle, reuse, reduce
14. 14.True or false: coal is a renewable energy source. (a) True (b) False
15. 15.Which of these is reduce (use less)? (a) use a jar as a pen stand (b) melt glass into new jars (c) print on both sides (d) reuse gift paper
16. 16.Which of these is recycle (make new things)? (a) switch off unused lights (b) print on both sides (c) plant in old tyres (d) pulp old paper
17. 17.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1200 bottles?
18. 18.Which of these is reduce (use less)? (a) refill a water bottle (b) use a jar as a pen stand (c) buy less packaging (d) give old books away
19. 19.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
20. 20.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 10 weeks?
21. 21.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) recycle (c) reuse
22. 22.True or false: diesel is a non-renewable energy source. (a) True (b) False
23. 23.Which of these is reduce (use less)? (a) pulp old paper (b) melt cans into new cans (c) plant in old tyres (d) switch off unused lights
24. 24.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
25. 25.True or false: flowing river water is a renewable energy source. (a) True (b) False
26. 26.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
27. 27.♻️ A project report has 88 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
28. 28.♻️ A project report has 16 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
29. 29.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 8 weeks?
30. 30.True or false: petrol is a non-renewable energy source. (a) False (b) True
31. 31.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1000 bottles?
32. 32.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) reuse (b) recycle (c) reduce
33. 33.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
34. 34.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
35. 35.♻️ A project report has 46 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
36. 36.♻️ A project report has 48 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ 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?
38. 38.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
39. 39.♻️ A sustainable design … (a) protects the future (b) uses the most plastic (c) wastes water (d) lasts one day
40. 40.♻️ Reduce, reuse or recycle: switch off unused lights? (a) recycle (b) reduce (c) reuse

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