Texas TEKS Standards
TX.112.20. Science, Grade 8.
(8.5) Matter and energy. The student knows that matter is composed of atoms and has chemical and physical properties. The student is expected to:
8.5 (E) Investigate how evidence of chemical reactions indicate that new substances with different properties are formed.
8.5 (F) Recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass.