Texas TEKS Standards
TX.112.18. Science, Grade 6.
(6.10) Earth and space. The student understands the structure of Earth, the rock cycle, and plate tectonics. The student is expected to:
6.10 (B) Classify rocks as metamorphic, igneous, or sedimentary by the processes of their formation.
(6.6) Matter and energy. The student knows matter has physical properties that can be used for classification. The student is expected to:
6.6 (C) Test the physical properties of minerals, including hardness, color, luster, and streak.