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Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Science fair project that determines whether brain size is correlated with intelligence.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

In this activity, your child will be challenged to make a tower using paper cups.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

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

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

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

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

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.