State of matter

• solid - strong forces of attraction

  -particles held very close

  -fixed, regular arrangements

  -not much energy, only vibrate
• Liquid - weaker forces of attraction

  -particles close together, but move past each other

  -irregular arrangements

  -more energy than solids
• Gas - almost no forces of attractions

  -most energy

  -free to move in random directions
• Solid -

  
• Liquid -

  
• Gas -

  
• Motion in gas particles - random , high speed

  -intercept other particles -> pressure is exerted

  -if in container, pressure occurs when Gas particles hit side of container.

  -produce a force at right angles
• Motion in Gas particles

  -temperature increase = pressure increase

  hotter it is = more kinetic energy the particles have

  -more collisions