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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This project examines which style of central-air system filter traps the most particles from the air.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.