Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

I scream, you scream, we all scream for homemade spearmint ice cream!

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

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This biodiversity project examines the biodiversity in your own backyard.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this science project, the center of gravity is explored.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.