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Fluids and Density

Fluids and Density. 7.2 Fluids and Density. A fluid is any form of matter that can ____________. Liquids and gases are fluids since they do not have a fixed shape. Solids are not fluids because they have a fixed shape. Lava, water, and syrup are examples of fluids. See page 260.

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Fluids and Density

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  1. Fluids and Density

  2. 7.2 Fluids and Density • A fluid is any form of matter that can ____________. • Liquids and gases are fluids since they do not have a fixed shape. • Solids are not fluids because they have a fixed shape Lava, water, and syrup are examples of fluids. See page 260 (c) McGraw Hill Ryerson 2007

  3. Layers of Fluids • Fluids that do not mix, layer themselves according to their density. • ___________ dense fluids “float” on top of more dense fluids. oil Can you list the objects, in this beaker, from most dense to least dense? ball water See pages 262 - 263 (c) McGraw Hill Ryerson 2007

  4. Air Density Air can layer itself according to density: • When warm air near the ground is heated particles move farther apart • The air becomes less dense and ____________ • Cold air is denser and moves downward As a result, a ______________ is created

  5. Air is mostly made up of ______________ molecules and _______________ molecules • Air is ______________ dense near the ground • As you walk up a mountain the air becomes thinner (less dense)

  6. Water has a density of ______________ • Objects with a density less than 1.0g/mL or 1.0g/cm3 will ____________ in water • Objects with a density greater than 1.0g/mL or 1.0g/cm3 will ___________ in water • Objects with a density equal to 1.0g/mL or 1.0g/cm3 will be __________________ in water

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