This science fair project idea determines the most effective method of preserving food.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Encourage a bit of mystery and intrigue by teaching your clever kid how to create and use secret codes.

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

Check out this cool science fair project on identifying rocks and minerals for kids.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This brain teaser challenges your fifth grader to unscramble some specialized Winter Olympics language.

This science fair project teaches students the differences between fruits and vegetables.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Young chefs can easily make this simple soup, perfect for a brisk fall day. Along with being very flavorful, it makes a perfect pre-dinner appetizer or lunch!

Discover whether cold or hot water from the faucet will boil faster on the stove.

In Muslim culture, Ramadan is a month long celebration dedicated to purifying the soul. Enjoy a delicious snack, and learn more about this holiday!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Halloween is a great opportunity to look around and see faces that are funny, scary, happy and sad.

Let your child create a fun and easy locker blackboard out of an old cereal box!

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.