d stopper and tube (Fig. 49). Place the flask above a lighted lamp with the tube B lowered into a vessel of water. The heat from the lamp will cause the air within the flask to expand, and some of it will force its way out, causing bubbles to rise to the surface of the water.Fig. 49. To flirther… … Heat. 65 Experiment 54. — Partly fill the flask (Fig. 49) with water and pushthe tube B below the surface of the water in the flask. Apply heat, andthe water will rise in the tube. Does heat cause all substances to expandat the same rate? Experiment 55. — Take strips of iron and brass of the same…
Physics
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