How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Discover whether a metal will expand under hot water.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science fair project idea studies how talking on a cell phone affect driving?

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

Determine how we can separate the components of a solution