In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

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.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The goal of this project is to create an exciting topographical map out of dough.

Science fair project that determines whether mass and weight are the same or different.

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!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.