Grade 1 > Physical SciencesWaves and their Applications in Technologies for Information Transfer1.PS4.1 Plan and conduct investigations to provide evidence that vibrating materials can make sound and that sound can make materials vibrate. 1.PS4.2 Make observations to construct an evidence-based account that objects can be seen only when illuminated. 1.PS4.3 Plan and conduct an investigation to determine the effect of placing objects made with different materials in the path of a beam of light. 1.PS4.4 Use tools and materials to design and build a device that uses light or sound to solve the problem of communicating over a distance. |