This science fair project idea examines which type of insulation holds in the most heat.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Slip some science into storm watching with a homemade rain gauge!

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this activity your child will create their very own marble maze!

Introduce your child to science with something they see everyday--their shadow!