This science fair project idea demonstrates that plants give off water.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

How powerful is the reaction between baking soda and vinegar? Find out here!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project teaches students about wilting and browning of salad greens.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea explores whether white light can be separated into different colors.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!