Air Pressure

Reference: The Text for this section may be found in the print versions of

Write all predictions in the class quickwrite.

Collapsing Can

Sourcebook for Teaching Science 5.1.2, Hands-On Chemistry 2.4.1, Hands-On Physics 4.1.1

Formative Assessment - Quickwrite

Why did the can collapse?

Will the can collapse if placed right side up in the tank of water?

Applications to Everyday Life

Air Pressure Fountain

Hands-On Physics 4.1.1-teacher section page 206; Air Pressure Fountain

Formative Assessment - Quickwrite

  • Predict what will happen in V
  • Explain why the water rose in the tubee
  • Can this explain the ascent of water to the tops of redwood trees (385')

Applications to Everyday Life

Pressure Differentials

Hands-On Physics 4.1.4 - Photograph

Formative Assessment - Quickwrite

  • Predict what will happen when the candle burns out.
  • Explain why the water rose in the tube

Vacuum Pump

No corresponding activity in Herr's books

Hero's Engine - Steam Engines

No corresponding activity in Herr's books

Formative Assessment - Quickwrite

  • Which way will the flask spin when heated?
  • Using Newton's Law's, explain why it spins the way that it does.
  • Describe the historical significance of Hero's Engines and subsequent steam engines.
  • Explain the relationship between the steam engine and this dynamic graph.

Formative Assessment - Quickwrite

  • Why does the ballon inflate when the bottom is pulled down?
  • Explain the analogy of this model to mammalian lungs.

Applications to Everyday Life

Smoking Machine

No corresponding activity in Herr's books