Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.