This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This project determines what category of person is most likely to be ticklish.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.