Search Results

In this activity, learners explore the different salinities of various sources of water by taste-testing.

Learners conduct a "blind" taste-test of several types of enhanced or fitness water drinking water that has commercially added substances like vitamins, sugars, or herbs.

In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

In this activity, learners use simple materials to create giant bubbles.

In this activity, learners create a xylophone by filling glasses with different amounts of water and tapping them with a metal spoon.

In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.

This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.

This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.

In this optics activity, learners explore why the sky is blue and the sunset is red, using a simple setup comprising a transparent plastic box, water, and powdered milk.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.