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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

Learners test their "light-smarts" by playing a game called "Light Quest!" The game board represents an atom and each player represents an electron that has been bumped into the atom's outer unstable

In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.

In this activity, learners actually feel the difference in energy required to light two different types of light bulbs: incandescent light and LEDs.

In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this activity, learners will explore light with reflective surfaces. Learners will make predictions and share their observations as they experiment with directing a beam of light.

In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!

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

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