Light Energy and Colors

Knowledge of acids and bases doesn't need to be a secret. Learners use red cabbage to create an indicator solution, then test how adding lemon juice (acid) and detergent (base) changes the color of the solution. They then use the concept...

Here's an activity that will change how one sees color. Pupils try out an experiment on chromatography where they place a drop of food coloring on a coffee filter, add several drops of water, and watch the colors spread and separate....

Watch celery change from green to purple in a video that demonstrates how celery absorbs food coloring to change the color of the leaves. The resource has viewers thinking about the science behind types of water and photosynthesis.

Why do we see certain colors? This interactive animation demonstrates the concept of the visible spectrum, and how we see the different colors of the rainbow.

Second graders make spinning color wheels to determine how energy effects what colors look like. They paint or color a color wheel with the seven colors of the spectrum. Next, the spin the wheel to determine what happens. In order to...

Learners investigate solar energy and color. In this solar energy lesson, students assess the benefits of solar energy. Learners discover that solar energy is attracted to darker colors and conduct an experiment using colored bottles to...

Download this Educators Guide to light, color, and their uses. Choose from different activities using lenses, prisms, hidden messages, periscopes, and kaleidoscopes

Download this Educators Guide to light, color, and their uses. Choose from different activities using lenses, prisms, hidden messages, periscopes, and kaleidoscopes

Did you know that the color of your house could save money? Do this experiment to see which colors regulate temperature best in different environments. Learn how painting the house can save money on the energy bill.

Join Peep and his friends, Quack, and Chirp discover what they can learn about the sunlight and sunset when they head west.