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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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!

Help your child learn about animal classification with this fun and delicious activity.