Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 420 · 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 energy source will never run out? (a) diesel (b) sunlight (c) petrol (d) coal
2. 2.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1500 bottles?
3. 3.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 2400 bottles?
4. 4.♻️ Reduce, reuse or recycle: plant in old tyres? (a) reduce (b) reuse (c) recycle
5. 5.♻️ A sustainable design … (a) protects the future (b) lasts one day (c) uses the most plastic (d) wastes water
6. 6.♻️ Which is the BEST order to think about waste? (a) reduce, reuse, recycle (b) burn, bury, forget (c) reuse, recycle, reduce (d) recycle, reuse, reduce
7. 7.♻️ Is diesel a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
8. 8.True or false: sunlight is a non-renewable energy source. (a) True (b) False
9. 9.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.♻️ Is biogas from waste a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
11. 11.Which of these is reduce (use less)? (a) melt glass into new jars (b) fix a dripping tap (c) refill a water bottle (d) reuse gift paper
12. 12.Which of these is reduce (use less)? (a) pulp old paper (b) turn plastic into tiles (c) give old books away (d) buy less packaging
13. 13.Which of these is recycle (make new things)? (a) carry a cloth bag (b) reuse gift paper (c) plant in old tyres (d) melt glass into new jars
14. 14.True or false: petrol is a non-renewable energy source. (a) False (b) True
15. 15.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
16. 16.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) reuse (c) recycle
18. 18.True or false: natural gas is a renewable energy source. (a) True (b) False
19. 19.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reduce (b) reuse (c) recycle
20. 20.Which of these is reduce (use less)? (a) melt cans into new cans (b) pulp old paper (c) use a jar as a pen stand (d) print on both sides
21. 21.Which of these is reuse (use again)? (a) print on both sides (b) use a jar as a pen stand (c) buy less packaging (d) turn plastic into tiles
22. 22.True or false: sunlight is a renewable energy source. (a) False (b) True
23. 23.Which of these is reduce (use less)? (a) reuse gift paper (b) switch off unused lights (c) pulp old paper (d) melt cans into new cans
24. 24.♻️ Reduce, reuse or recycle: refill a water bottle? (a) reuse (b) reduce (c) recycle
25. 25.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) reuse (b) reduce (c) recycle
26. 26.♻️ A project report has 42 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
27. 27.♻️ 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?
28. 28.♻️ Reduce, reuse or recycle: pulp old paper? (a) reuse (b) recycle (c) reduce
29. 29.Which of these is reuse (use again)? (a) pulp old paper (b) give old books away (c) melt glass into new jars (d) switch off unused lights
30. 30.♻️ A school bench is made from 350 recycled plastic bottles. How many benches can be made from 1400 bottles?
31. 31.♻️ A family used to throw away 10 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 3 weeks?
32. 32.True or false: petrol is a renewable energy source. (a) True (b) False
33. 33.Which of these is recycle (make new things)? (a) print on both sides (b) buy less packaging (c) turn plastic into tiles (d) switch off unused lights
34. 34.True or false: diesel is a non-renewable energy source. (a) False (b) True
35. 35.Which of these is reduce (use less)? (a) turn plastic into tiles (b) carry a cloth bag (c) melt glass into new jars (d) use a jar as a pen stand
36. 36.Which of these is reuse (use again)? (a) buy less packaging (b) refill a water bottle (c) turn plastic into tiles (d) switch off unused lights
37. 37.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 2000 bottles?
38. 38.True or false: flowing river water is a non-renewable energy source. (a) True (b) False
39. 39.♻️ A project report has 100 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
40. 40.♻️ A project report has 12 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids