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Displacement. Water displacement. If you have an irregular shape (doesn’t have straight sides), you can use water displacement to determine the volume. How to determine volume with water displacement. 1. fill graduated cylinder and record starting volume
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Water displacement • If you have an irregular shape (doesn’t have straight sides), you can use water displacement to determine the volume
How to determine volume with water displacement • 1. fill graduated cylinder and record starting volume • 2. add object (ie. Coin, paperclip, etc.) • Record ending volume • Subtract ending volume from starting volume • The difference is the volume of the object
See it! • http://www.youtube.com/watch?v=mk4pd_1K-Ts
Practice it • Students fill a graduated cylinder with 50 mL of water. An eraser is dropped into the cylinder. The ending volume is 57 mL. • What is the volume of the object
Do it! • At each station, determine the volume of each object. Complete the chart to collect results