Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 236 · 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.Which of these is reduce (use less)? (a) melt cans into new cans (b) reuse gift paper (c) switch off unused lights (d) give old books away
2. 2.Which of these is reduce (use less)? (a) pulp old paper (b) use a jar as a pen stand (c) give old books away (d) carry a cloth bag
3. 3.True or false: ocean wave energy is a renewable energy source. (a) False (b) True
4. 4.Which of these is recycle (make new things)? (a) give old books away (b) turn plastic into tiles (c) carry a cloth bag (d) reuse gift paper
5. 5.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) recycle (c) reuse
6. 6.True or false: wind is a non-renewable energy source. (a) True (b) False
7. 7.♻️ A project report has 96 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
8. 8.♻️ A project report has 62 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
9. 9.Which of these is reuse (use again)? (a) carry a cloth bag (b) pulp old paper (c) fix a dripping tap (d) use a jar as a pen stand
10. 10.Which of these is recycle (make new things)? (a) melt glass into new jars (b) switch off unused lights (c) give old books away (d) print on both sides
11. 11.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reduce (b) reuse (c) recycle
12. 12.True or false: coal is a renewable energy source. (a) False (b) True
13. 13.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1650 bottles?
14. 14.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
15. 15.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
16. 16.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
17. 17.Which of these is reuse (use again)? (a) refill a water bottle (b) fix a dripping tap (c) switch off unused lights (d) melt glass into new jars
18. 18.♻️ Reduce, reuse or recycle: pulp old paper? (a) reduce (b) reuse (c) recycle
19. 19.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) recycle (c) reduce
20. 20.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reduce (c) reuse
21. 21.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reuse (c) reduce
22. 22.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reuse (c) reduce
23. 23.♻️ Which energy source will never run out? (a) petrol (b) sunlight (c) diesel (d) coal
24. 24.♻️ A sustainable design … (a) lasts one day (b) uses the most plastic (c) protects the future (d) wastes water
25. 25.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1050 bottles?
26. 26.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
27. 27.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
28. 28.True or false: petrol is a renewable energy source. (a) False (b) True
29. 29.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
30. 30.♻️ A project report has 58 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 11 weeks?
32. 32.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 3600 bottles?
33. 33.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
34. 34.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) recycle, reuse, reduce
35. 35.Which of these is reuse (use again)? (a) melt cans into new cans (b) give old books away (c) switch off unused lights (d) buy less packaging
36. 36.♻️ A project report has 76 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
38. 38.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
39. 39.♻️ Is coal a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
40. 40.♻️ A project report has 92 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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