Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

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

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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

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

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.

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

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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

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.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!