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Have a Heart
Source Institutions
Your heart pumps blood throughout your body in one direction, around in a loop. In this activity, learners will make a model of one type of heart chamber called a ventricle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-324.png?itok=goodTb_C)
Flower Powder
Source Institutions
In this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-323.jpg?itok=Eq5NsG0G)
Invent a Plant
Source Institutions
In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-640.png?itok=hbm17YU9)
Sticky Structures
Source Institutions
In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-594.png?itok=BcCpVt54)
Soapy Boat
Source Institutions
Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-631.png?itok=1Wetf8cQ)
Marshmallow Models
Source Institutions
No glue is needed for learners of any age to become marshmallow architects or engineers.