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Analysis

1. After completing this Investigation, what did you learn about mixing air at different temperatures?
   
   
2. The following is a temperature - time graph for a location in the classroom. Choose from the list below an explanation that makes sense for the graph.

   The outside temperature is the same as the inside temperature, and the window was left open.

   The outside temperature is warmer than the classroom temperature, and the window was quickly opened and the shut.

   The outside temperature is cooler than the inside temperature, and the window was opened, and then shut, and then opened again.

   The outside temperature is the same as the inside temperature, and the window was left open.