matter

Question or Hint Answer or Word

anything that has mass and takes up space Matter
Light, Sound, and warmth Non-Matter
the law that states that the masses of chemical substances combine in definite, whole number ratios when forming compounds (never fractions) law of definite proportions
the random movements of microscopic particles due to collisions Brownian motion
the process of spreading out and mixing due to random particle motion diffusion
a model that states that all physical matter exists in the form of particles (atoms or molecules) in constant motion particle model of matter
the building block of all matter atom