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Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!