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.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project idea explores whether the color of surroundings affects human mood.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

In this project children practice the scientific method while playing with puffy paint.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

This basketball project explores the best way to make the perfect shot every time.

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

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

This experiment tests which gender is better at catching how a magician performs his tricks.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

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

This science fair project idea tests the efficiency of short term memory.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.