Extend Your Gizmo Pass
Every Gizmo in the library can be used for up to 5 minutes each per day.
Observe light rays that pass through a convex or concave lens. Manipulate the position of an object and the focal length of the lens and measure the distance and size of the resulting image.
A visitor has shared a Gizmo from ExploreLearning.com with you!
You get 20-40 Free Gizmos to teach with
See the full list here.
All other Gizmos are Locked
They can only be used for 5 minutes a day
You get lesson materials for Free Gizmos
Teacher guides, lesson plans, and more