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.

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.

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

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

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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.