What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This science fair project idea compares biodiversity between drops of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea demonstrates that plants give off water.

This science fair project idea explores the egg's thin membrane.

This science fair project examines how seeds hitchhike on animals and clothing.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project teaches students the differences between fruits and vegetables.

Make a backbone model to explore human anatomy and life science.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea examines the reason boats are shaped and engineered.