States of matter

• Solids

  • Arrangement : in a regular fixed pattern
  • Forces between particles : strong
  • Motion : vibrate around a fixed position
  • Average kinetic energy : low
  • Density : high
• Liquid

  • Arrangement : irregular arrangement but close together
  • Forces between particles : medium
  • Motion : random, slide over each other
  • Average kinetic energy : medium
  • Density : medium
• Gas

  • Arrangement : random, spaced out
  • Forces between particles : low
  • Motion : random speed and movement
  • Average kinetic energy : high
  • Density : low