What Color is It?

Is the entire moon an optical illusion? We know it exists, but do we really know what color it is? The video explains what color we perceive the moon to be and its actual color. 

Skin, the toughest part of the body, provides each person with multiple layers of protection from the outside world. Assist young scientists as they view the video segment and learn the differences in melanin production, leading to...

Students explore the nature of light. They use on-line articles and a worksheet to explore the roles of the eye and brain in the perception of color. They draw and label a diagram illustrating the movement of light.

Photocopy single-color images onto acetate transparencies and either demonstrate or have your class experience the combination of colors to produce images. Children will learn that cyan, magenta, yellow, and black combine to make all of...

What makes the ocean blue but a glass of ocean water nearly colorless? Investigators prepare tubes of water to examine the color of water. Scholars discover the relationship between light absorption, color variations, and water depth as...

Zoe and RJ are trying to photograph an egret on a lake, but they are having trouble with the lighting. Reflection, refraction, and absorption are explored through their thoughtful dialogue so that your physical scientists are illuminated...

Learners explore light and color, including how colors are mixed to produce new colors, how light is filtered, and how light is reflected off of surfaces. They read materials provided, complete worksheets, and complete hands-on activities.

Humans can only see visible light, but some insects can see ultraviolet light. Through a simulation, pupils explore how we see colors using one bulb. It moves on to demonstrate how we see colors by mixing three different bulbs (red,...

Coloring pages showcase microbes—bacteria, viruses, and protists. Scholars have the option to download a coloring book and scavenger hunt or color the page directly on the computer. Three paragraphs describe each microbe. 

Students observe colors in the flame of a burning candle to explore connections between matter, light, color, and temperature, the basic concepts of matter and energy.