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

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

In this science fair project, students create their own miniature salt flats at home.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This project examines whether people's taste perception is influenced by what they see.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

In this science fair project, students examine how temperature affects sugar transport within a plant.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

In this science fair project, we will test how different kinds and shades of hair respond to bleach.