Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Spice up a traditional watercolor painting project with magazine cutout letters that spell out your favorite poem.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Children take inspiration from Nobel laureate Malala Yousafzai to write their own blog listicle on a topic of their choosing.

Here's a hands-on way to help your child understand how common fractions can be equivalent.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

In this activity, your child will reference Matisse and also learn about patterns.

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Here's a simple, fun activity which will save you time and reinforce your child's math skills along the way.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Ready for a game that's mostly about strategy with a little luck thrown in for good measure? Make math fact practice exciting and start rolling the dice!

Valentine cookies are a classroom staple on Valentine's Day. Make a batch of delicious valentine cookies with your child this February.

This zombie shirt is a fun and incredibly simple Halloween costume. Have your kid don the shirt lurch around the neighborhood searching for brains...or candy!

Your child can personalize these customizable cookies for friends and family as he makes his own fortune cookies from this fortune cookie recipe.

Invite your fourth grader--and her friends--to channel their inner rock stars as they make their own choreographed music video.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

Encourage your child to learn about air pressure by helping him devise his own squirt gun with a water bottle.

In this activity, your child will design their own Best Self Journal to reflect on ways they have been their best each day.

Make a beautiful bowl out of printed lines of poetry that you can use to store everything from jewelery to candy.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.