This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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!

This science fair project idea identifies clouds as a means of predicting the weather.

This science fair project idea deals with the qualities of shade on a sunny day.

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

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

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.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

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.

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

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.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

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

Do you think heat can affect a plant's growth rate?

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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