This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This experiment will explore whether fractals really repeat themselves infinitely.

Help your child add some flair to the family garden with pencil pinwheels!

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

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

This science project challenges high school students to study the linguistic evolution of text messaging.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

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

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.