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Measuring and Protecting Skin
Source Institutions
In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-580.gif?itok=_7u_r8Em)
Heart and Lungs
Source Institutions
In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-560.png?itok=kwTPv_wj)
Modeling an HIV Particle
Source Institutions
This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-559.png?itok=n2QuQwC-)
Mapping the Spread of HIV/AIDS: Trailing the Pandemic
Source Institutions
In this activity, learners act as epidemiologists by mapping the prevalence of HIV/AIDS worldwide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-573.gif?itok=jxUAifpZ)
Lungometer
Source Institutions
In this environmental health activity, learners investigate their own vital lung capacities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-414.gif?itok=ny5YBlm8)
Reebops
Source Institutions
In this genetics activity, learners create imaginary creatures known as "Reebops" to explore the relationships between genes and inherited traits.