Scientific Method
How were conclusions about the natural world decided before experimentation?
Reading Aristotle and Ptolemy and reading the Bible
What was the Ptolemaic Universe or Geocentric Theory?
The idea that the sun and planets revolved around a nonmoving Earth.
What did Galileo use to explore the sky?
A telescope
What did Newton prove by using a prism? (p. 385)
First, he proved that white sunlight is a mixture of all colors.
Second, he discovered why objects appear a certain color.
Who discovered the scientific method?
Copernicus published which theory about the universe?
Heliocentric theory
Which theory about the universe did Galileo support?
Heliocentric theory
What is a scientific law? (p. 386)
A pattern in nature that someone can predict.
What is the word for an educated guess about the answer to a question?
Hypothesis
Kepler determined that planets orbited in what shape?
An ellipse (egg shape)
What was Galileo convicted of?
Heresy- an act against God
What was the force Newton discovered that keeps planets in orbit around the sun?
Gravity
What is the scientific method?
A set of steps scientists follow for study.
What is heliocentric theory?
Heliocentric theory is the idea that the sun is at the center of the universe and the earth revolves around it.
What did Galileo prove about gravity? (p. 383)
He proved that gravity makes all objects on Earth fall at the same rate of speed.
How did the book Newton published in 1687 affect other scientists? (p. 386)
Scientists began to look for other laws.
What was at the heart of the scientific method? (p. 377)
Why would a person need courage to announce a new scientific theory at this time?
What is experimental science?
The science that begins with and depends on careful experiments and measurements.
What is the force that causes everything in the universe to attract every other thing?
Gravity