Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Find out whether matte or shiny nail polish lasts longer.

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates how the shape of an object affects drag.

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

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

Introduce your child to science with something they see everyday--their shadow!

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Will increasing the amount of salt in water effect how slow or fast the water freezes?