Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Make sourdough bread...and learn some colonial history and modern science in the process!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.