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Mathematical metal
1. Add a certain amount of water to the beaker and mark it with h 1 Put the metal into a beaker and measure the water level h2 in the beaker. Metal volume V=(h2-h 1)* beaker cross-sectional area

2. Add a certain amount of water to the beaker to mark h3. Put the wood block into a beaker and measure the water level h4 in the beaker. Weight of wood block Wm=(h4-h3)* beaker cross-sectional area

3. Put the metal on the wooden block and measure the water level h5 of the beaker. Metal weight Wj=(h5-h4)* beaker cross-sectional area

4. Metal density =Wj/V