How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, young children notice and track changes in trees throughout the year.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

In this fun experiment, we'll find out how color affects heat absorption!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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!

This simple experiment serves as an introduction to the greenhouse effect.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Will the shape of an ice cube impact how fast the ice melts?

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Construct batteries that make electricity from fruits with this fun science fair project.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.