Middle school4 lessons

Matter and measurement

Recognizing matter, its physical states, its mixtures. Measuring mass, volume, density, mass concentration — the chemist's first quantitative tools.

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The three states of matter

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  1. The three states of matter
  2. Mass, volume, density
  3. Mixtures and solutions
  4. Mass concentration
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A few short questions to confirm the essentials are in place. Every answer is explained.