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

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.

This science project teaches students to classify different shapes of leaves.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this experiment we will be determining whether birds prefer certain colors of seed.

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

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea experiments with spinning color wheels and optical illusions.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea investigates how color affects temperature.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea determines if the color of light affects the growth of plants.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.