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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

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

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project compares the strength of one, two, and three-ply toilet paper.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!