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This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

This science fair project idea investigates if fats add to the flavor of food.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project teaches students about wilting and browning of salad greens.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help your child make a beautiful homemade sandcastle that will last!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Start your toy engines -- this is going to be a fast and friction-filled race!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!