Brownian motion
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what is Brownian motion
- evidence that particles move continuously and randomly - random movement of particles suspended in a fluid - it is due to the bombardment of particles by molecules of fluid ( liquids/ gases )
when the temperature of a substance is increased
- particles will gain kinetic energy - particles move faster - the opposite occurs when the temperature is decreased
what is the path of the smoke particles
the smoke particles move at random in air
what is observed under the microscope
the smoke particles moves in a random motion