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Texas Essential Knowledge and Skills Teaching Resources

Science 6.6

Matter and energy. The student knows matter has physical properties that can be used for classification. The student is expected to: (A) compare metals, nonmetals, and metalloids using physical properties such as luster, conductivity, or malleability; (B) calculate density to identify an unknown substance; and (C) test the physical properties of minerals, including hardness, color, luster, and streak.