Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This activity with add some fun and education to long car trips. Perfect for family vacations!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.