Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 402 · 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) print on both sides (b) reuse gift paper (c) use a jar as a pen stand (d) plant in old tyres
2. 2.Which of these is recycle (make new things)? (a) reuse gift paper (b) pulp old paper (c) use a jar as a pen stand (d) fix a dripping tap
3. 3.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) reuse, recycle, reduce
4. 4.True or false: petrol is a non-renewable energy source. (a) True (b) False
5. 5.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reuse (c) reduce
6. 6.True or false: wind is a non-renewable energy source. (a) True (b) False
7. 7.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1400 bottles?
8. 8.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1800 bottles?
9. 9.♻️ Reduce, reuse or recycle: print on both sides? (a) recycle (b) reuse (c) reduce
10. 10.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1400 bottles?
11. 11.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 900 bottles?
12. 12.♻️ A family used to throw away 6 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
13. 13.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
14. 14.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
15. 15.Which of these is reuse (use again)? (a) turn plastic into tiles (b) melt glass into new jars (c) use a jar as a pen stand (d) buy less packaging
16. 16.♻️ A sustainable design … (a) lasts one day (b) wastes water (c) uses the most plastic (d) protects the future
17. 17.♻️ A family used to throw away 5 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 7 weeks?
18. 18.Which of these is reuse (use again)? (a) fix a dripping tap (b) buy less packaging (c) melt glass into new jars (d) give old books away
19. 19.♻️ A project report has 34 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
20. 20.♻️ Reduce, reuse or recycle: give old books away? (a) recycle (b) reduce (c) reuse
21. 21.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
22. 22.Which of these is reuse (use again)? (a) melt cans into new cans (b) carry a cloth bag (c) refill a water bottle (d) pulp old paper
23. 23.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) reuse (b) recycle (c) reduce
24. 24.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
25. 25.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 3500 bottles?
27. 27.♻️ Which energy source will never run out? (a) coal (b) diesel (c) sunlight (d) petrol
28. 28.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
29. 29.Which of these is reduce (use less)? (a) give old books away (b) plant in old tyres (c) carry a cloth bag (d) turn plastic into tiles
30. 30.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
31. 31.♻️ Reduce, reuse or recycle: pulp old paper? (a) recycle (b) reuse (c) reduce
32. 32.True or false: diesel is a renewable energy source. (a) True (b) False
33. 33.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1050 bottles?
34. 34.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
35. 35.True or false: sunlight is a non-renewable energy source. (a) False (b) True
36. 36.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
37. 37.True or false: petrol is a renewable energy source. (a) True (b) False
38. 38.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 6 weeks?
39. 39.♻️ Reduce, reuse or recycle: buy less packaging? (a) recycle (b) reduce (c) reuse
40. 40.♻️ 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?

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