Multiple choice

When and under what condition are particles in motion?

  1. They only move when they get enough energy

  2. Solids don't move and everything else moves a lot

  3. Molecules are always moving but are dependent on energy

  4. Gases move slowest and solids move the most
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

According to the kinetic molecular theory, all matter is composed of particles that are in constant motion. The speed and type of motion depend on the energy state of the particles.

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