Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Plants and light seem to be good buddies, but how far does the friendship really go?

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, young children notice and track changes in trees throughout the year.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

The objective of this science project is to determine the length of time for different seeds to germinate.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea explores how length affects the weight a bridge can hold.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this project children practice the scientific method while playing with puffy paint.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.