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.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

Test whether plants can grow without sunlight and water.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Are you looking for a new way to help your fourth grader celebrate New Year's Day? Try this Flash Back Book!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Explore African and Asian traditions with this recipe for homemade henna ink!

Here's a fun way for your child to exercise his writing chops...and prove a point! A great way to practice persuasive writing.

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

Help your fourth grader make a homemade recipe book that's eye-catching, simple to construct and perfect for holding all of her favorite recipes!

The ability to identify number patterns is one of the building blocks to success in higher-level math and this game is the perfect way to practice.

Check out this fun and easy-to-play guessing game that will build your child's geometry vocabulary.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun calculator exercise will take the mystery away from the machine, and familiarize your child with the functions of a calculator.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.