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Winnie Science Project

Published on Apr 04, 2016

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PRESENTATION OUTLINE

1.

Properties of Fluids: Solids

  • has definite shape and volume
  • solid particles are closely packed together
  • the particles can't move freely, they can only vibrate
  • easily affected by gravity
Photo by edurecio
2.

Properties of Fluids: Liquid

  • has definite volume, no definite shape
  • liquid particles are fairly close together
  • the particles vibrate in small clusters
  • easily affected by gravity
Photo by Earl-Wilkerson
3.

Properties of Fluids: Gas

  • no definite volume, no definite shape
  • gas particles are far apart
  • the particles collide into each other
  • not easily affected by gravity
Photo by NASA's Marshall Space Flight Center
4.

Change of State

  • gas -> liquid = condensation
  • liquid -> gas = vaporization
  • liquid -> solid = freezing or solidification
  • solid -> liquid = melting or fusion
  • solid
Photo by Nick Fedele
5.

Buoyancy

  • when will an object float?
  • if the buoyant force is greater than the gravitational force, than the objec will float
Photo by brentdanley
6.

Buoyancy

  • neutral buoyancy?
  • if the buoyant force and gravitational force is equal than it is called neutral buoyancy
Photo by Alessandro Caproni
7.

Buoyancy

  • when will an object sink?
  • if there is less buoyant force than the gravitational force, than the object will sink
Photo by EarthTouch
8.

Viscosity and Flow Rate

  • viscosity is the thickness of a liquid
  • flow rate is how quickly a liquid flows or "runs"
Photo by Beny Shlevich
9.

Viscosity

  • some particles have more internal friction so it makes it harder to move past other particles
  • if the attractive forces are stronger

Karen Li