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How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea investigates how the shape of an object affects drag.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this science fair project, students create their own miniature salt flats at home.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students make their own rain gauge to measure rainfall.

Discover whether a metal will expand under hot water.

In this experiment we will be determining whether birds prefer certain colors of seed.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea compares biodiversity between drops of water.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea provides evidence that air is everywhere and takes up space.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Find out whether matte or shiny nail polish lasts longer.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

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.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.