take a chalk or any soft material available to you. At first time drop the material from 25 cm. Note the change, damage and sound of material. Next time drop it from 100 cm. Note the same thing. Write the change respect to first time.
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at first time it jst broken but second time it's shattered.
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All matter is made up of particles that are incredibly small - much too small to see with the naked eye. The particles can be atoms or combinations of atoms that are bonded.
There are forces between the particles.
The particles in matter are always moving. The more energy they have, the faster they move.
The spaces between the particles in matter are empty. You might assume that the spaces between particles are filled with air, but this is not the case. They contain nothing at all.
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