This project examines various algorithms to determine the ideal algorithm for a strategy game.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project teaches students the differences between fruits and vegetables.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

This science fair project idea explores whether dogs do look like their owners.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea determines the probability of a coin landing heads or tails.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.