Question

Describe a simple experiment to illustrate that molecules are not at rest, but they constantly move.

Answer 1

Explanation:

take a beaker.fill it partly with water.add some lycopodium powder in the beaker.stir the contents of a beaker with a glass rod .take out a few drops of this suspension on a glass plate. place it on the table and illuminate with a table lamp . observe the glass plate through a microscope .it is found that the fine particles of a lycopodium powder move rapidly in a random motion and their path is zig zag