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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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

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

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 trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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.

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.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!