What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Construct and experiment with a periscope using reflected light rays to gather an image.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.