Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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 hands-on design challenge your child will make their very own Rube Goldberg Machine.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Have your child kick off their summer vacation by making a miniature water slide!