Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 928 · 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.True or false: flowing river water is a renewable energy source. (a) True (b) False
2. 2.True or false: coal is a renewable energy source. (a) True (b) False
3. 3.True or false: wind is a renewable energy source. (a) True (b) False
4. 4.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
5. 5.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 2700 bottles?
6. 6.Which of these is reuse (use again)? (a) plant in old tyres (b) print on both sides (c) melt cans into new cans (d) melt glass into new jars
7. 7.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) recycle (c) reduce
8. 8.Which of these is reuse (use again)? (a) melt glass into new jars (b) buy less packaging (c) refill a water bottle (d) switch off unused lights
9. 9.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
10. 10.♻️ A sustainable design … (a) wastes water (b) uses the most plastic (c) lasts one day (d) protects the future
11. 11.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
12. 12.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 1500 bottles?
13. 13.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
14. 14.♻️ A family used to throw away 2 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 9 weeks?
15. 15.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
16. 16.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
17. 17.True or false: ocean wave energy is a non-renewable energy source. (a) True (b) False
18. 18.Which of these is reduce (use less)? (a) give old books away (b) melt glass into new jars (c) turn plastic into tiles (d) switch off unused lights
19. 19.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) recycle (c) reduce
20. 20.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
21. 21.♻️ 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?
22. 22.Which of these is reduce (use less)? (a) refill a water bottle (b) use a jar as a pen stand (c) plant in old tyres (d) fix a dripping tap
23. 23.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) burn, bury, forget
24. 24.♻️ Which energy source will never run out? (a) diesel (b) coal (c) petrol (d) sunlight
25. 25.♻️ A project report has 10 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
26. 26.♻️ Reduce, reuse or recycle: buy less packaging? (a) reuse (b) recycle (c) reduce
27. 27.♻️ A family used to throw away 4 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 2 weeks?
28. 28.♻️ Reduce, reuse or recycle: print on both sides? (a) reuse (b) reduce (c) recycle
29. 29.♻️ Is petrol a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
30. 30.♻️ A school bench is made from 150 recycled plastic bottles. How many benches can be made from 300 bottles?
31. 31.♻️ A family used to throw away 9 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
32. 32.Which of these is recycle (make new things)? (a) fix a dripping tap (b) plant in old tyres (c) pulp old paper (d) switch off unused lights
33. 33.True or false: coal is a non-renewable energy source. (a) False (b) True
34. 34.♻️ Is wind a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
35. 35.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
36. 36.♻️ A project report has 68 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
37. 37.♻️ A project report has 22 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
38. 38.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
39. 39.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
40. 40.♻️ Is natural gas a renewable or a non-renewable energy source? (a) non-renewable (b) renewable

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