1. engineering a better world Shelter

2. What are engineers? Creators! Biomedical AerospaceCivil Mechatronics Electrical Chemical

3. But what are the basic human needs?

4. Village life in developing countries

5. Transitory houses

6. City living Seen this before? Why do people live in houses like these ones? Do you think they are appropriate for the environment?

7. Q: What kind of house would you build if you lived in the arctic?

8. Q: What kind of house would you build if you lived in the desert?

9. Q: What kind of house would you build if you lived in the middle of a lake? A: One that floats!!!!

11. Where is Cambodia?

12. Cambodia

13. The Tonle Sap

14. Floating Villages

15. Stilts Before After

16. Floating Houses

17. Methods of Floatation

18. What are some issues with living in floating houses?

19. Buoyancy The buoyant force is equal to the weight of water displaced by the object

20. Activity for today: Making a floating house! Budget: $40 Aim: Build a floating house that can hold the greatest number of marbles MaterialCost Plastic straw$1 Foam cup$12 20cm sticky tape$5 20cm string$2 A4 piece of cardboard$5 Balloon$7 Bamboo stick$4

21. How did you make it float? What worked? What didn’t? Was it easy? Difficult? Would you live in this house?

22. Takeaways Building materialsYou build with what available Resource limitationYou only had $40. Not everyone can afford to build with all the materials on the design brief IdeasWith less money = innovation. You all had different designs! Appropriate for the environment? None of you had a roof! Any other problems you can think of? Time limit