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In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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!

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!