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Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

This project investigates the affect of storage temperature on microwave popcorn.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

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

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea examines whether boys and girls differ in reflexes.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This activity allows your kindergartener to translate what they observe into a beautiful poem.

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?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!