The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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!

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

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

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

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.

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

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.

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

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

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

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.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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!

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

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

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

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

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.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.