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

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This science fair project examines how seeds hitchhike on animals and clothing.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this project, a magnet is used to collect iron from breakfast cereals.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Teach your child how butter is created by shaking up cream the old-fashioned way.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this project, waves of vibrations are experimented with using water in glasses.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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!

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Learn with makes water molecules work with this fun and easy science activity!