In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

This project examines whether people's taste perception is influenced by what they see.