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

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

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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.

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.

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

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

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 Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

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

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

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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!

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.

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

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.

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

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

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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.

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