Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Test the idea that people who wear glasses tend to be more educated. True or false?

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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!

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.