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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Master addition, subtraction, multiplication, and division through practice in this fun math game designed for fourth grade!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Add negative and positive numbers in this fun math card game for fourth graders!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This writing activity to get your third grader to combine the fun of poetry with the excitement of celebrating a birthday.

To practice place value, here's a fun hands-on activity to get your child flipping through place value with ease!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Discover how and which salt melts ice the quickest.

This science fair project idea explores whether white light can be separated into different colors.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

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

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Here's a super fun game to get in some place value practice with your child!

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Help your kids map the "global footprint" of your family's grocery cart by investigating how far your food travels before landing on your dinner table.