This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

What happens when colored beams of light mix? You might be surprised.

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 explores whether cats can be trained in the same way that dogs can.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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.