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LEGO Orrery
Source Institutions
Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-663.jpg?itok=YT3zX0s-)
Aerogel
Source Institutions
This activity/demo introduces learners to aerogel, a glass nanofoam. Learners discover how aerogel is made and how well it insulates as well as learn about aerogel's other unique properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-271.jpg?itok=xtOTBhOm)
Glass and Mirrors: An Inside Look at Telescopes
Source Institutions
This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-047.jpg?itok=tAH8_PQN)
Mystery Matter
Source Institutions
This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-394.png?itok=s-UULeqY)
Low-Tech Water Filter for High-Impact Clean
Source Institutions
In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.