Grade 5 · Science · Lesson 9

Properties of Matter

Every kind of matter has properties — the features that describe what it is and how it acts. Scientists use properties to identify substances, sort them into groups, and predict what they will do in different conditions.

What this lesson teaches

1Define physical and chemical properties of matter
2Identify common physical properties such as mass, volume, density, and hardness
3Recognize chemical properties such as flammability and reactivity
4Classify property examples as physical or chemical

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