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

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.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

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.

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

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.

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

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.

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

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

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!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

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.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!