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

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

This science fair project idea demonstrates that plants give off water.

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

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!