Here's a science activity to help your child investigate how seeds are designed to travel.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea experiments with spinning color wheels and optical illusions.

Make sourdough bread...and learn some colonial history and modern science in the process!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.