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

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

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

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.

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

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

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.

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.

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

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.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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!

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

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

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!

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

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.

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

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

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

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