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Properties and Changes of Matter: Physical vs. Chemical Characteristics

Learn about the observable physical and chemical properties of matter, and understand the differences between physical changes like altering size or state, and chemical changes involving substance transformation. Engage in class activities to identify and illustrate these concepts.

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Properties and Changes of Matter: Physical vs. Chemical Characteristics

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  1. Notebook page 31 Properties of Matter

  2. Physical and Chemical Properties • Physical Properties: • Characteristics you can observe that do not change the identity of the substance. • Ex: Stretch, Melt, Boil • Chemical Properties: • Characteristic that indicates if a substance can undergo a chemical change. • Ex: Flammable, React to Light

  3. Physical and Chemical Changes • Physical Change: • Change in size, shape or state of matter without changing the identity of the matter. • Ex: Iron absorbs heat and changes from solid to liquid (state of matter change) and glows red. • Chemical Change: • Change of one substance to another. • Ex: Eggs decompose giving off hydrogen sulfide H₂S

  4. Physical and Chemical Properties and Changes • The teacher will assign one of the following: • Physical Property • Chemical Property • Physical Change • Chemical Change • Write down your assigned words. • Come up with your own example in a sentence. • Share your example with the class.

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