Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This science project teaches students to classify different shapes of leaves.

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.

This science fair project idea identifies trees using a dichotomous key.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project teaches students about wilting and browning of salad greens.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.