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Create an instrument that you don't play--you just listen to it through tubes of various lengths.

Use this activity (13th activity on the page) to introduce learners to the sense of touch. Learners collect objects of varying textures like feathers, rocks, sand, etc.

In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.

In this activity, learners develop spatial reasoning skills as they blow bubbles and observe what happens when the bubbles connect.

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens.

In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

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!

Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.

In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.

In this story time program, young learners listen to the Dr.

In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.

In this activity, learners will use their nose to sniff out hidden scents using extracts and cotton balls. Activity includes materials list, game instructions, STEM connections and more.