Find out the circumference of the earth using the shadow of the sun.The purpose of this experiment is to see if the distance around the earth can be measured using shadows.It is an educational content ...
In this experiment, students should use advanced math skills to find out how far a person walks on an average day and determine how long it would take that person to walk around the world and to the m ...
A common misconception is that explorers like Columbus sailed to sea to prove that the earth is not flat. It has been known for thousands of years that not only is the earth NOT flat, but its circumfe ...
This project determines the ages of trees without cutting the trees down to count the rings in their bases.What is the best method for distinguishing the age of a tree?It is an educational content by ...