Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.