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In this optics activity, learners use paint thinner to make a small jar seem to disappear inside a larger jar.

In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea.

In this activity, learners examine their tongue and taste buds.

Sound changes pitch relative to how you or the source of the sound is moving. Use this simple activity developed by the Exploratorium to experience the Doppler Effect yourself!

This is a quick and simple demonstration about reflexes (second activity on the page).

In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.