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

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

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.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

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.

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

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this science fair project, students make their own rain gauge to measure rainfall.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.