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This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?