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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

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.

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Toss playing cards into boxes while you practice addition and multiplication with decimals in this fun, fifth grade math game.

This simple experiment serves as an introduction to the greenhouse effect.

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

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

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Get ready to make a dollar...using playing cards! The first player to accumulate the amount of points equal to a dollar wins.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Is your child struggling to remember the rules of place value? Here's a fun series of hands-on activities to help your child put the value in place value!

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.