This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Make your own Matryoshka out of simple craft materials in this easy how-to!

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

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Reflect on how fast your child has grown this past year with this ruler frame craft, perfect for gift-giving!

Here's a science activity to help your child investigate how seeds are designed to travel.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Here are three easy, budget-friendly ways to preserve your child's work and precious memories without filling up the attic.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.