Air Pressure

Our day begins with an entry task instructing students to watch the video below of a lava lamp, then explain the action of the lava lamp using volume (V), temperature (T), and pressure (P).

Student ideas:

200210 Chemistry Lava Lamp Picture

After discussing student ideas, students watched the short video of hot air balloons inflating and flying.  They were challenged to explain why hot air balloons fly, why they rise to a certain height and then stop, and how hot air balloons change altitude.

After a brief discussion, students were introduced to some new vocabulary terms included in the Lesson 57 PowerPoint.

Class Notes:

200210 Chemistry Balloon Picture

Finally, students rotated through four different stations to make observations and collect data on a modeling air pressure lab handout helping them to learn more about air pressure.

Station instructions:

Notes the next day showing molecule motion in the experiments

Keep Learning (at home!): Balloon in a bottle


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