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.

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.

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."

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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