Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

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

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

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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