Air Pressure

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

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

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

• Barometer
• Aspirator
• Drinking Straws
• Vacuum Cleaners
• Tornadoes, Waterspouts, Dustdevils
• Hurricanes
• Weather Maps
• Weather Forecasting

Air Pressure Fountain

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

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.

Applications to Everyday Life

• Steam Engine - Denver & Rio Grande
• Industrial Revolution - Painting of Coalbrooksdale
• Animated Steam Engine
  • Animated Graph of Carbon Dioxide Emisions since 1820 - Gapminder

Lung Model

Hands-On Physics 4.1.4 - Photograph

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

• Diagram of Inhalation
• Inhalation Animation

Smoking Machine

No corresponding activity in Herr's books