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.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

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.

This surprisingly good glue recipe comes from common kitchen items.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

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.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

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

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

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

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.

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!

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.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

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.

This project compares the strength of one, two, and three-ply toilet paper.

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

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Young artists will combine two animals into one in this imaginative art-project-slash-game!

Coil your daughter's two favorite colors into a wearable pendant with just a few scraps of felt!

In this activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

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