Matter (4 days)
Texas Essential Knowledge and Skills (TEKS)
The student knows the characteristics of matter and can analyze the relationships between chemical and physical changes and properties. The student is expected to:
(4A) differentiate between physical and chemical changes and properties (RS); (4B) identify extensive and intensive properties;
(4C) compare solids, liquids, and gases in terms of compressibility, structure, shape, and volume;
(4D) classify matter as pure substances or mixtures through investigation of their properties (RS).
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