Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science fair project idea explores whether talking to a plant will help it grow.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.