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!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Want to do something a little different for Dad this year? Have your child design his very own Father's Day "Greatest Hits CD" card.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Does your child know all the greatest kid-friendly places in town? Here's an activity that lets them create a cool city guide and work their writing chops, too!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Young scientists develop a hypothesis, conduct an experiment, and then revise their hypothesis to find out which common household liquids dissolve candy corn.

Here's a review of some common (and commonly confused) grammar terms, as well as a quick activity to apply them to reading and writing.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

What do a pool, a raft and a golf club have in common? They are all integral ingredients in the fun game of Aqua Golf, a great activity for kids of all ages.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

One thing the Christmas season is known for making is yummy treats! Cookies, pies, fudges, and cakes are common desserts during Christmas time. If you want to choose a healthier option this holiday season, create a Christmas tree with fruit. It will be a

Wondering how to help your child get a handle on prime numbers? Turn her into a prime number hunter with this hundreds chart activity.

This science project teaches students to classify different shapes of leaves.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science experiment tests if dog saliva can really help heal wounds.

Greek mythology offers up some of the most epic tales ever. This Greek mythology tree activity introduces students to some of the main characters in Greek mythology.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science project allows students to study the psychology of happiness.