In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

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

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

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!