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.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

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

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This easy at-home experiment is a great way to "see" science.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.