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16 Cards in this Set

  • Front
  • Back
Ptolemy


Ptolemy

Ptolemy was a Greek astronomer. He believed that the Earth was the center of the universe. His theory fit the view of the church. Ptolemy's theory was the "correct view of the world".

Copernicus

Copernicus

Copernicus' theory was that the sun was in the center of the universe and the planets orbited around it. He realized his ideas would cause conflict with the church. Copernicus finally published his book On The Revolution of Heavenly Spheres.

Kepler

Kepler

Kepler added the idea that the planets made oval shaped paths called ellipses. He also stated that the planets didn't always move at the same speed. The closer they were to the sun, the faster they went. The farther they were the slower they went.

Galileo


Galileo

Galileo was an Italian astronomer, scientist, engineer, and mathematician. He built his own telescope and he watched the movement of the stars and planets. He proved Copernicus’ theory that the planets revolved around the sun. He found Jupiter’s 4 moons, Venus’ movements, and the sunspots.
Francis Bacon

Francis Bacon

Bacon was a English philosopher, scientist, and statesman. He created a new scientific method. Bacon's new scientific method involved gathering data, prudently analyzing it and performing experiments to observe nature's truths in an organized way.
Descartes

Descartes

Descartes was a French philosopher, mathematician, and scientist. He believed that in mathematics the answers were always true. He claimed mathematics is the source of scientific truth. Descartes is viewed as the founder of modern rationalism.
Newton

Newton

Newton published a book called Principia which was one of the most important books of modern day science. It gave his laws and well tested theories about the motion of objects in Earth and Space. It states that the force of gravity holds the solar system together and keeps the planets and sun in their orbits.
Revolution

Revolution

Revolution- a forcible overthrow of a government or social order in favor of a new system.
Geocentric

Geocentric

Geocentric- having or representing the earth as the center, as in former astronomical systems.
Astronomer

Astronomer

Astronomer- an expert in or student of astronomy.
Heliocentric

Heliocentric

Heliocentric- having or representing the sun as the center, as in the accepted astronomical model of the solar system.
Excommunication

Excommunication

Excommunication- officially exclude (someone) from participation in the sacraments and services of the Christian Church.
Ellipses

Ellipses

Ellipses- a regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane that does not intersect the base.
Heresy

Heresy

Heresy- belief or opinion contrary to orthodox (Christian) doctrine.
Scientific Method

Scientific Method

Scientific method- a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Hypothesis

Hypothesis

Hypothesis- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.