Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Learn about nature by making your own mini moss garden.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Hunt for natureâs treasure, the many different products made by trees!

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

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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.

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