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

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

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.

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.

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.

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

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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

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

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

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.

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!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

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

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

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.