Movement of Particles (GCSE Physics)

Movement of Particles

Movement of Particles

In liquids and gases, particles move randomly. This movement of particles is called the Brownian motion.

Larger sized particles may be moved by light, fast moving particles. They travel at very high speeds, so transfer a lot of energy when they collide with the smaller particles.

Movement in Gases

  • Particles in a gas move constantly and rapidly. In a gas, particles are moving constantly. They move around each other randomly, at different speeds and different directions.

Movement of Particles
Movement of Particles
  • Particles in a gas have high kinetic energy. The moving particles in a gas have kinetic energy. This kinetic energy is allowing the particles to move, but it is affected by the temperature of the particles.
  • High temperature leads to high KE. As the temperature increases, the kinetic energy of the particles will also increase. The increase in kinetic energy is averaged across all the particles.
  • Movement of Particles
    Movement of Particles

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