Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

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

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.

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

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

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

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

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

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

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