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Physical Science 2.1 : Three States of Matter


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Physical Science 2.1 : Three States of Matter

  1. 1. States of Matter<br />Physical Science<br />Chapter 2.1<br />
  2. 2. Objectives<br />Describe the properties shared by particles of matter<br />Describe three states of matter<br />Explain the difference between states of matter<br />Bellringer<br />In the kitchen, you might find three different forms of water. What are these three forms of water, and where exactly in the kitchen would you find them? <br />
  3. 3. Particles of matter<br />States of matter <br />Physical forms in which substances can exist<br />3 most familiar states<br />Solid<br />Liquid<br />Gas<br />Matter is made up of tiny particles called atoms and molecules.<br />always in motion and are always bumping into one another<br />
  4. 4.
  5. 5. Solids<br />Definite Shape and Volume<br />Do NOT move fast enough to overcome attractions<br />Each particle vibrates in place<br />2 Types of solids:<br />Crystalline solids<br />very orderly, three-dimensional arrangement of particles<br />Iron, diamond, and ice<br />Amorphous solids<br />do not have a special arrangement<br />Glass, rubber, and wax<br />
  6. 6. Liquids<br />Definite volume, but take shape of container<br />Particles move fast enough to overcome some of the attraction between them<br />Particles slide past each other<br />Two special properties<br />Surface tension<br />force that acts on the particles at the surface of a liquid<br />Viscosity<br />liquid’s resistance to flow<br />
  7. 7. Gases<br />no definite shape or volume<br />Particles move quickly and can break away completely from one another<br />amount of empty space between gas particles can change<br />States of matter<br />