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

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!

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!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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

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

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea explores whether talking to a plant will help it grow.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

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

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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

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

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.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.