Play with balance and simple engineering as you hurry to create a sturdy rock tower.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Learn whether writing things down really makes things easier to remember.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea produces varying pitches of sound.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

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.

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

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.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.