What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Slip some science into storm watching with a homemade rain gauge!

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Do you think heat can affect a plant's growth rate?

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Learn how different types of soil affect how animal tracks form in this experiment!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.