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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.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

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

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.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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!

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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