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

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

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.

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!

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

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.

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!

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

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

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

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.

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!

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

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