In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Use two toilet paper rolls to make a pair of homemade binoculars and let the games begin. Here's how:

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Riddles about two trains passing in the night are often featured on SAT tests. Help break these problems down into five easy steps.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

In this simple math activity, your young learner will compare two types of Valentine's Day candy using a Venn diagram.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Looking for something to do with all those plastic 2-liter bottles that seem to accumulate endlessly? Turn them into a unique mini birdbath.

Help your third grader create a Venn diagram fantasy creature by combining two different creatures to create a fantasy creature based on their similarities.

Your child can make a sweet and savory spinach strawberry salad; two ingredients that come together for a light and fresh summer dish!

Your second grader can honor two renowned U.S. Presidents--Abraham Lincoln and George Washington--by crafting larger-than-life pennies and quarters!

Here are two streamlined breakfast ideas so that mom not only gets a delicious breakfast for Mother's Day, but a clean kitchen too!

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This three-part debate book is designed to hold two conflicting points of view on an issue that concerns you, along with possible solutions.

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

These easy-to-make felt friends are created by sewing two pieces of felt together with yarn and make great gifts for holidays such as Easter.

When it comes to working kids' muscles, nothing beats an obstacle course! Here are some easy ideas for creating your own course at home.

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!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Let your kid try his hand at engineering as he builds and tests two different structures made out of rolled newspaper. Which one is the strongest?