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Period: Jan 1, 1300 to Jan 1, 1500
How things were proven in the 1500
"Before 1500, scholars generally decided what was true or false by referring to an
ancient Greek or Roman author or to the Bible"(Pearson pg 1) scientists used the bible to prove things. -
Period: Jan 1, 1300 to Jan 1, 1500
The Earth is the middle of the solar system
"According to that belief, the moon, the sun, and the planets all moved in perfectly circular paths around the earth"(Pearson pg 1). This theory made people believe that the earth was the middle of the solar system. -
Period: Jan 1, 1300 to Jan 1, 1500
The reason why people thought it was in the middle
"Earth was thus a special place on which the great drama of life took place"(Pearson pg 1) This made people think that they were the middle of the solar system. -
Period: Jan 1, 1300 to Jan 1, 1500
This was a way to expand the theory of the earth being the middle of the solar system
"The Greek astronomer Ptolemy expanded the theory in the second century A.D.In addition, Christianity taught that God had deliberately placed earth at the center of the universe"(Pearson pg 1) According to Ptolemy this theroy was expanded more in detail by him. -
Period: Jan 1, 1300 to Jan 1, 1500
This theory was not all the way true according to Nicolaus Copernicus
"This problem troubled a Polish cleric and astronomer named Nicolaus Copernicus(koh•PUR•nuh•kuhs)"(Author pg 2) He is the only person who has proven this theroy to be true which he died and after his death his book was released. -
Jan 1, 1543
How the human body works.
Andreas Vesalius a flemish physician dissected human corpses and published his observations. His book "On the Fabric of the Human Body" was filled with detailed drawings of human organs, bones, and muscle. Later a man named William Harvey continued Vesalius's work by describing how the heart acted as a pump to circulate blood to other parts of the body. He also described the function of blood vessels. -
Galileo Builds his own telescope.
"Without seeing this device, Galileo successfully built his own telescope. After making some improvements, Galileo used his telescope to study the heavens in 1609." (Person 547) Galileo built a telescope out of two lenses to study the sky. -
Galilaos first series of news letters
"Then in 1610, he published a series of newsletters called Starry Messenger, which described his astonishing observations."(Person 547) Galilaos saw some very intresting things in the teloscope so he wrote all them all down in a series of newsletters. -
Galileo's findings
"Galileo’s findings frightened both Catholic and Protestant
leaders because they went against church teaching and authority. If people believed the church could be wrong about this, they could question other church teachings as well.In 1616, the Catholic Church warned Galileo not to defend the ideas of Copernicus. Although Galileo remained publicly silent, he continued his studies."(Person 547) The fear of the Catholic and Protestant leaders didn`t stop Galileo, he continued studying silently. -
Galileo's second book and his last.
"Then, in 1632, he published Dialogue Concerning the Two Chief World Systems. This book presented the ideas of both Copernicus and Ptolemy, but it clearly showed that Galileo supported the Copernican theory"(Person 546) Galileo`s ideas were more bias toward Copernicus ideas -
Galileos punishment
Galileo was never again a free man. He lived under house arrest and died in 1642 at his villa near Florence.(Person 547) Galileo was never allowed to leave house again because of his study. -
The first Microscope.
The first microscope was invented by Zacharias Janssenin. Anton Von Leewenhoek used the microscope to observe bacteria swimming in tooth scrapings. He also saw red blood cells for the first time. His examination of grubs, maggots and other such organisms showed that they didn't come to life spontaniously. Rather they were immature insects. -
The Invention of the first Vaccine.
In the late 1700's British Physician Edward Jenner introduced a vaccine to prevent smallpox. Using live smallpox has been practiced in Asia for centuries. While beneficial this was also dangerous. Jenner also discovered that inoculation with germs from a cattle disease called cowpox. This gave permanent protection from smallpox from humans. Jenner used cowpox to produce the world's first vaccination. -
The Thermometer
A Dutch physicist Gabriel Fahrenheit made the first thermometer to use mercury in glass. It showed that water freezes at 32 degrees. A Swedish astronomer Andres Celsius created another scale for the thermometer. Celsius's scale showed that water freezes at 0 degrees. -
How Oxygen got its name.
Joseph Priestley separated one pure gas from the air in 1774. He noticed how good he felt after breathing this special air. He watched how alert mice were after breathing it. Antoine Lavoisier named the newly discovered gas Oxygen.