Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Slip some science into storm watching with a homemade rain gauge!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Help your child make a beautiful homemade sandcastle that will last!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!