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Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea identifies trees using a dichotomous key.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Learn all about balance and motion as your child designs a corn maze!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea explores the different properties of matter.

This science fair project idea produces varying pitches of sound.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.