In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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

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

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!