CONTENTS 



M?CTION PAGK 



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 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 



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