In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

An home science experiment for older students that teaches about the science behind heat.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.