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In this activity, learners explore how nanosized structures can create brilliant color.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

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

In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns.

In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

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

This activity provides an opportunity for learners to observe and examine how carbon dioxide, water, and light produce glucose/starch through a process called photosynthesis.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.