Search Results
Showing results 1 to 5 of 5
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-308.gif?itok=UpyYa441)
Lava Lamps
Source Institutions
Learners observe working lava lamps to understand how they work (included in PDF link).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-128.jpg?itok=qJ7-7_k7)
Toasty Wind
Source Institutions
In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-481.png?itok=OSjpHEQT)
Erupting Fizz
Source Institutions
This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-209.png?itok=26a48C_s)
Make a Salt Volcano (Lava Lite)
Source Institutions
This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-448.jpg?itok=ycdycO8b)
Bubble Suspension
Source Institutions
In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.