| PART. | SECT. | | |
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| I. | NATURE AND SCIENCE. | |
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| | | PAGE |
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| 1. | ? | Sensations and Things | 5 |
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| 2. | ? | Causes and Effects | 5 |
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| 3. | ? | The reason Why. Explanation | 6 |
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| 4. | ? | Properties and Powers | 7 |
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| 5. | ? | Artificial and Natural Objects. Nature | 8 |
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| 6. | ? | Artificial Things are only Natural Things shaped and brought together or separated by Men | 8 |
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| 7. | ? | Many Objects and Chains of Causes and Effects in Nature are out of our reach | 10 |
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| 8. | ? | The Order of Nature: nothing happens by Accident, and there is no such thing as Chance | 10 |
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| 9. | ? | Laws of Nature; Laws are not Causes | 12 |
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| 10. | ? | Knowledge of Nature is the Guide of Practical Conduct | 14 |
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| 11. | ? | Science: The Knowledge of the Laws of Nature obtained by Observation, Experiment, and Reasoning | 16 |
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| II. | MATERIAL OBJECTS.—(A.) MINERAL BODIES. | |
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| 12. | ? | The Natural Object Water | 19 |
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| 13. | ? | A Tumbler of Water | 20 |
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| 14. | ? | Water occupies Space; it offers Resistance; it has Weight; and is able to transfer Motion which it has acquired; it is therefore a form of Matter | 20 |
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| 15. | ? | Water is a liquid | 21 |
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| 16. | ? | Water is almost incompressible | 22 |
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| 17. | ? | The meaning of Weight | 24 |
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| 18. | ? | Gravity and Gravitation | 25 |
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| 19. | ? | The cause of Weight: Attraction: Force | 27 |
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| 20. | ? | The Weight of Water is Proportioned to its Bulk | 28 |
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| 21. | ? | The Measuring of Weights. The Balance | 29 |
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| 22. | ? | The Weight of the same Bulk or Volume of Water is Constant under the same conditions. Mass. Density | 30 |
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| 23. | ? | Equal Volumes of Different Things under the same circumstances, have Different Weights: the Density of Different Bodies is Different | 32 |
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| 24. | ? | The Meaning of Heavy and Light—Specific Gravity | 33 |
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| 25. | ? | Things of greater Specific Gravity than Water sink in Water; Things of less Specific Gravity float | 34 |
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| 26. | ? | A Body which Floats in Water always occupies as much Space beneath the level of the Surface of the Water as is equal to the Volume of Water which weighs as much as that Body; in other words, it displaces its own Weight of Water | 36 |
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| 27. | ? | Water Presses in all Directions | 37 |
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| 28. | ? | The Transference of Motion by Moving Water: the Momentum of Moving
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