This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

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!

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 project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This surprisingly good glue recipe comes from common kitchen items.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How powerful is the reaction between baking soda and vinegar? Find out here!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.