The Scientific Revolution

The Scientific Revolution

Purple Textbook: Ch.6 Sec.1Green Textbook: Ch. 1 Sec.5

Main Idea

In the mid-1500s, scientists began to question accepted beliefs and make new theories based on experimentation

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The Roots of Modern Science

Geocentrism People believed that the

______________________________________

Ptolemy ______________________ Scientist AD 150 “Earth is _________________of the

universe” Catholic Church ______________with

theory

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A Revolutionary Model of the Universe

Copernicus Polish __________________ with Ptolemy’s theory

Sun was__________________of the universe Earth _________________ around sun Earth rotated (spins like a top)

Kepler Proved Copernicus’ theory

Earth & other planets revolve around sun Proved planets’ orbit

____________________ (egg-shaped)

Proved Aristotle __________________!!!

Galileo

Galileo_________ (Math, Astronomy, Physics)

1564-1642Believed __________________ (sun-centered)

Built a telescope

Galileo’s DiscoveriesMoon has ____________ surface

Sun has ____________ & changes shape

Jupiter has 4 __________

He stared at the sun SOOOOlong…

Problems with the ChurchScholars & church officials _________ Galileo’s discoveries

Church _____________ Copernicus’ workcan NOT be taught!can NOT be read!

Galileo’s Solution Publish a book with both theories Book: Debate “Geocentrism v.

Heliocentrism” Heliocentrism wins!

Roman InquisitionGalileo goes on trial (to court)Forced to “admit” he & Copernicus were wrong (a lie…not true)

Sentenced to ____________________(forever)

He continued his work at homeGravity (rate of speed)

Experiments at Home _______________

Proved ALL objects on Earth fall at the same rate of speed

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The Scientific Method

Francis Bacon England, ________________ 1620s Created the

______________________________

Scientific Method A new way of learning about the

_________________________ Experiment to find truths

Scientific Method: 5 Steps 1) problem/question 2)________________(guess/prediction) 3) _______________ 4) observation 5) conclusion

Isaac Newton

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Newton Explains the Law of Gravity

p. 378

Isaac Newton (country) (_____-1727)

p.378

Light Discoveries 1) _________________ is a mixture

of__________________ 2) a. Objects____ the color they

appear b. Objects _____ all other

colors c. Proved theory with a

___________

p.378

Light Discoveries 1) White sunlight is a mixture of all

colors 2) Objects reflect the color they

appear Objects absorb all other

colors Proved theory with a prism

p.378

Newton’s MOST IMPORTANT DiscoveryEarth _________________ objects______objects have a greater “pull”

Gravity of the ___________ keeps planets traveling in ___________

p.378

Newton’s MOST IMPORTANT DiscoveryEarth attracts objectsBig objects have a greater “pull”

Gravity of the sun keeps planets traveling in orbit

p. 379

Universal Law of Gravitation His law about gravity applies to the

whole _____________ Proved that ________ keeps people

from flying off the Earth Started a trend of looking for

_______ Published a book

p. 379

Universal Law of Gravitation His law about gravity applies to the

whole universe Proved that gravity keeps people

from flying off the Earth Started a trend of looking for natural laws Published a book

p.379

GeniusNewton _____ he was a genius