Fossil Fuels and the Carbon Cycle
Students will create a model that demonstrates the interaction among the lungs, chest and diaphragm during breathing. They also will make predictions, investigate, record observations, and draw conclusions based on their investigations. They will learn that the diaphragm and rib muscles change the size of the chest cavity and control whether air enters or exits the lungs.
Specific science concepts addressed in this activity include the following.
- Volume changes in the chest cavity cause air to move in and out of the lungs.
- When we breathe in, oxygen moves from the air in our lungs to our blood and carbon dioxide is released from the blood to air.
Keywords: breathing | breathing rate | diaphragm | lung capacity | lung model | lungs | respiration | Elementary science investigation | lung model
- Moreno N., B. Tharp, and J. Dresden. (2011). The Science of Air Teacher’s Guide. Third edition. Baylor College of Medicine.
- Photo © Mike6271, CC-BY-SA 4.0.
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Funded by the following grant(s)
My Health My World: National Dissemination
Grant Number: 5R25ES009259
The Environment as a Context for Opportunities in Schools
Grant Number: 5R25ES010698, R25ES06932
Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education