Day 143: Pinhole Cameras & Reaction Types

Physics: Pinhole Cameras

Students built simple pinhole cameras, then experimented with how to change the image that appeared and drew some ray diagrams to explain their observations. A lot of students were really thinking deeply about what the ray diagrams mean and how to interpret them to understand the image produced, which was great to see.

Chemistry: Reaction Types

Students did a lab where they observed each of the five reaction types in action. Several groups were really thinking through how their observations connected back to the reaction equation, which lead to some great conversations.

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