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Particles in Motion

  •  English    20     Public
    Science
  •   Study   Slideshow
  • What is the energy of motion called?
    Kinetic Energy
  •  15
  • When heat energy heats up water and causes it to bubble, what is happening?
    The water is boiling
  •  10
  • What is temperature?
    The measure of the average kinetic energy of the particles in a material
  •  20
  • When something is heated up, and the particles gain energy and move apart, the volume increases. What happens to the mass?
    It stays the same
  •  15
  • When temperature increases, what else increases?
    Kinetic Energy
  •  15
  • If metal bars are heated up to determine how their volume and length would be affected, what is the outcome?
    Both the volume and length would change
  •  20
  • What happens to liquid when it is warmed?
    It expands
  •  10
  • Why do hot-air balloons fly in the early morning or late afternoon?
    The air is less dense
  •  20
  • What is random motion?
    When particles move in every direction at different speeds
  •  15
  • What is Thermal Expansion?
    When heat energy increases, the particles move faster bumping into each other and pushing farther away taking up more space
  •  20
  • What is thermal contraction?
    When heat energy decreases, the particles slow down and take up less space
  •  15
  • What is diffusion
    When two things mix to become one
  •  15
  • What is it called when energy is being stored?
    Potential energy
  •  15
  • What do solid particles do when they move?
    Vibrate
  •  15
  • What are the 3 states of matter?
    Solid, liquid, gas
  •  15
  • What is the study of heat called?
    Thermodynamics
  •  20