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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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.

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.

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!

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

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

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

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

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

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

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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.

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

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.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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!