Plants Help Keep a House Cool!

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...

Colors are more than just a pretty effect. Learners explore what color change means in terms of chemical properties and reactions. They create a pH solution using cabbage leaves and observe the changes when acids and bases are added. 

Students cover thermometers with different colored fabric swatches and place them in a sunny location. They record the temperature of each and apply their results to leaf color in plants from different environments.

The classic carnation color-change activity for demonstrating water transport up a plant stem is played out in this video. Add the clip to a PowerPoint presentation or show it when teaching plant structure to young botanists. If you have...

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...

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. 

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.

When you step in mud it can be very messy. How can you tell if soil is wet or dry before you step in it? In this experiment, you can see if color can help you figure it out.

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.

I can see your epidermis. A short video shows how we get our skin color. It explains how melanocyte cells in the epidermis produce melanin, and that the type and amount of melanin controls skin color.