Missouri Learning Standards
MO.2.PS4. Waves and Their Applications in technologies for Information Transfer
2.PS4.A. Wave Properties
2.PS4.A.1. Plan and conduct investigations to provide evidence that changes in vibration create change in sound.
MO.2.LS2. Ecosystems: Interactions, Energy, and Dynamics
2.LS2.A. Interdependent Relationships in Ecosystems
2.LS2.A.1. Plan and conduct investigations on the growth of plants when growing conditions are altered (e.g., dark vs. light, water vs. no water).