Base on the inventions we have shown, the ancient Greeks had approached with many important creations of science. They played an important role in the discoveries of astronomy, biology, physics, and mathematics. For instance, philosopher Aristotle gave the idea of the earth is globe. Also, he classified animals and he was considered as father of zoology. Aristotle gave the idea of earth being a globe. He also classified animals and if often referred to as father of zoology. Theophrastus was the first botanist who known as a history writer. The Greeks had influenced the early concepts of science to the present day. For example, most symbols often used in physics and math equations are originated from Greek alphabet. In general, Greeks had left us many useful inventions for this world which help our world steps up into a more modern world like today.