Science for Beginners An Introduction to the Method And Matter of Science
The book Science for Beginners An Introduction to the Method And Matter of Science was written by author Delos Fall Here you can read free online of Science for Beginners An Introduction to the Method And Matter of Science book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Science for Beginners An Introduction to the Method And Matter of Science a good or bad book?
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Every home and schooboom should have at least one fairly good thermometer. One can be purchased for from twenty-five cents to a dollar. Exercise 3. Study the construc- tion of the thermometer. Note the tube closed at both ends, the bulb, and the graduation. It will be more convenient for many purposes if the thermometer is not fixed to a board or frame of iron. Hold the bulb in 'your hand for a minute. The mercury rises. Explain why. Finally it comes to a point beyond which it does not go. Why ...does it stop at this point? The Fahrenheit and centigrade scales. The ther- mometers used in different countries are exactly alike in the construction of the tube but differ in the way Fig. 156. 254 Science for Beginners -100* so- so* 70* 60' 50* 4or 2or 10* — o* -17.78* they are marked. The two scales most commonly employed are the Fahrenheit and centigrade * Exercise 4. Test the graduation of your thermometer, as follows : Place several coarse pieces of ice in a dish con- taining pure water and allow it to stand for a few minutes.
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