Density Wednesday, October 30, 2013.

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Presentation transcript:

Density Wednesday, October 30, 2013

Which would you rather drop on your foot? Why? A bowling ball and volleyball take up the same amount of space. This means they have the same what? Which would you rather drop on your foot? Why? Wednesday, October 30, 2013

The difference between the volleyball and bowling ball are their Mass The difference between the volleyball and bowling ball are their Mass. A bowling ball has much more mass. Wednesday, October 30, 2013

The units for density are g/ml or g/cm3 Density is the amount of matter in a given volume. (Density = Mass/Volume) The units for density are g/ml or g/cm3 In other words, density is how tightly packed the atoms are in an object. Wednesday, October 30, 2013

Both the objects have the same volume (size). Let’s compare two objects of equal size, a block of wood and a block of copper Both the objects have the same volume (size). The matter (particles) that make up the wood are farther apart than the particles of matter that make up the copper. The matter in the copper is more compacted than the matter in the wood. The farther apart the particles, the less dense the substance. Wednesday, October 30, 2013

What would the density be? If you have two trashcans of equal volume and you place the same amount of garbage in both cans, What would the density be? Wednesday, October 30, 2013

What if you climb in trashcan B and jump up and down on top of the trash compressing the trash or matter into the bottom of the can? You can climb out, put more trash in the can, and repeat this task until you cannot put anymore trash in can B. Which is more dense now? Wednesday, October 30, 2013

Liquids and objects layer according to their density Liquids and objects layer according to their density. The least dense liquid on top and the most dense liquid on the bottom. Wednesday, October 30, 2013