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

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

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

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

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

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

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

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

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.

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

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.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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.

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.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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

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.

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.

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

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

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