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 activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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!

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Make a spring collage with your child to get them outside and those creative juices flowing!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

This simple experiment serves as an introduction to the greenhouse effect.