Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Find out which type of sponge holds the most water.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.