Search Results
Showing results 1 to 6 of 6
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-333.jpg?itok=LfEYC6s_)
Defining Density
Source Institutions
In this introductory demonstration and activity, learners are introduced to the concept of density as they explore a rock and a wooden block in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-370.jpg?itok=PJQsDOP7)
Dry Ice Comet
Source Institutions
In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-416.png?itok=eYN_p0GZ)
Dunking the Planets
Source Institutions
In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-477.jpg?itok=WVl2T4KZ)
Bernoulli and More Bernoulli
Source Institutions
This lesson guide includes six simple and quick activities to help learners better understand Bernoulli's Principle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-087.jpg?itok=_X2fS2do)
Moving Without Wheels
In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-138.gif?itok=3JOn6FDM)
What-a-cycle
Source Institutions
In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.