Search Results
Showing results 261 to 264 of 264
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-272.jpg?itok=JxYG0shp)
Exploring Black Holes and Gravity
Source Institutions
This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-475.gif?itok=KzyyVCPv)
Lift Experiment
Source Institutions
In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-969.jpg?itok=8V7JHi7w)
Keep it Cool
Source Institutions
In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-896.png?itok=7NqDIqZ7)
Habitats of the Pond
Source Institutions
In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.