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In this activity, learners create a water prism to break light into the seven colors of the rainbow.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.

In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

Use this hands-on activity to demonstrate infrared and thermal radiation.