science

• Matter


  Anything that has mass and occupies space
• Atom


  The smallest particle of matter that retains the chemical properties of an element
• Molecule


  A particle consisting of two or more atoms combined in a specific arrangement
• States of matter


  • Solid
  • Liquid
  • Gas
• Solid


  • Particles are locked into place
  • Retain a fixed volume and shape
  • Incompressible
• Liquid


  • Particles can slide past one another
  • Follow the shape of the container
  • Incompressible
• Gas


  • Particles can move fast between one another
  • Follow the shape and volume of the container
  • Compressible
• Surface tension


  A force that acts on the particles at the surface of a liquid
• Viscosity


  A liquid's resistance to flow
• Solids do not flow, but liquids and gases do