CONTENTS 



SECTION PAGE 



1. Explosions 1 



2. Composition of Matter Definition of Heat ... 2 



3. States of Matter 3 



4. Combustion .......... 5 



5. Oxygen Its Uses and Action 8 



6. Fuels . . 10 



7. Blasting . . 11 



8. Gas and Gasoline Engines 11 



9. Animal Heat k . . .12 



10. Flames 14 



11. First Aid to the Burnt . . . . * . . . 15 



12. Sterilization by Heat . . 16 



13. Antiseptic Washes Disinfectants ..... 17 



14. Chemical Effects of Heat .19 



15. Expansion Due to Heat . . ..'.'. . . . . 19 



16. Temperature and its Measurement 21 



17. Conduction . . . . . * . . . .23 



18. Convection 24 



19. Ventilation and Heating of Buildings 26 



20. Radiation of Heat . . . . . . . '..... .27 



21. Absorption of Heat 28 



22. Measurement of Heat . . . . . , . . 30 



23. Heat of Change of State 31 



24. Evaporation Requires Heat 34 



25. Applications of Evaporation and Condensation ... 35 



26. The Steam Engine 38 



27. Distillation of Liquids . . 38 



28. Destructive Distillation 40 



29. Cooking 42 



30. Chemical and Physical Changes ...... 44 



31. Chemical Combination Produces Heat ..... 46 



32. Friction and Compression Produce Heat .... 47 



xi 



