New Mexico Standards
NM.II. Content of Science: Physical Science: Understand the structure and properties of matter, the characteristics of energy, and the interactions between matter and energy.
II-B. Explain the physical processes involved in the transfer, change, and conservation of energy.
II-B.6a. Waves: Understand that vibrations of matter (e.g., sound, earthquakes, water waves) carry wave energy, including: sound transmission through solids, liquids, and gases; relationship of pitch and loudness of sound to rate and distance (amplitude) of vibration; and ripples made by objects dropped in water.