Teach your child about using pumps to move water in this simple and educational preschool science activity!

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.

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.

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.

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

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

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

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.

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"!

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

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.

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.

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.

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!

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.

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.

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

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

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!

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

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.

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

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

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

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

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

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!

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.