Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project examines how seeds hitchhike on animals and clothing.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.