Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

This science project examines the thermal properties of several major greenhouse gases.