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Buoyancy

Buoyancy. Buoyancy is the ability of an object to float. It is related to the object’s density . . Density. Density is the amount of matter in a given volume or space Gasses are the least dense form of matter Liquids are more dense than gasses, but less dense than solids

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Buoyancy

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  1. Buoyancy Buoyancy is the ability of an object to float. It is related to the object’s density.

  2. Density • Density is the amount of matter in a given volume or space • Gasses are the least dense form of matter • Liquids are more dense than gasses, but less dense than solids • Solids are the most dense form of matter

  3. Gasses fill any volume and take the shape of their container. If the balloon pops, the gas will spread out evenly in the cube.

  4. Liquids stick together, but take the shape of their container. The water will take the shape of the cube.

  5. Solids are very dense and do not take the shape of their container. The rock will keep its own shape.

  6. Examples

  7. Last but not least… • Buoyancy and density are called PROPERTIES of matter • Another property of matter is displacement, or how much matter (we use water) it pushes out of the way • A buoyant object will only displace its mass unless its surface area is large compared to its mass • What would happen if you used sand instead of water?

  8. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com Is home to well over a thousand powerpoints submitted by teachers. This a free site. Please visit and I hope it will help in your teaching

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