The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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 science fair project idea examines readersâ expectations in regard to literature.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science project researches the correlation between barometric pressure and wind velocity.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Learn about the factors that influence group conformity.

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

This science fair project idea studies how how do readers predict what events will happen next while reading a story.

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

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.