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Hexagon Hunt
Source Institutions
This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-540.png?itok=HwaNpkzE)
Living Clocks
Source Institutions
In this activity about daily rhythms (on page 17 of the PDF), learners will explore circadian patterns in humans, animals and plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-533.png?itok=PSFWCTBj)
Using a Sundial
Source Institutions
In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-603.jpg?itok=y3wjgd2O)
Saguaro Nest Cavities
Source Institutions
This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-632.png?itok=pdVqMxlY)
There’s Oil in My Eggs
Source Institutions
In this activity, learners investigate the impact of oil pollution on the environment and wildlife. Learners use hard-boiled eggs and feathers to understand the damage that oil spills can cause.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-198.jpg?itok=84yC5AOU)
Soak It Up: Understanding Amphibian Permeability
Source Institutions
In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-538.png?itok=562LXQBh)
Dinosaur Bone Experiments
Source Institutions
This activity features two connected hands-on activities about dinosaur bones.