Galileo

Telescope

November 1609 took telescope toy and pointed it at the night sky

DID NOT INVENT: he modified the instrument by adding lenses

Saw the four moons of Jupiter

saw that our moon had bumps

Fame

In 1610 he wrote "The Translation of the Starry Messenger" and became famous

Experiments

Inclined plane

slows down speed at which things fall to measure relation between distance and time

Pendulum

mathematical relationship that measures the speed at which planets revolve

Modern science of Physics

explains Science In Motion

4 Steps of Science

1. Observe something in nature and think about it, hypothesize

2. Come up with a way to test hypothesis

3. Test hypothesis through experimentation

4. Publish results and tell people

If hypothesis disagrees with experiments, it is wrong

Martyr for science

someone who is killed for his beliefs

Holy Bible can never be untrue

Galileo saw that his way of understanding the world helps us define the divine truths

Church absorbed nautral philosophy for so long and Galileo was challenging the Roman teachings of the Earth.

He thought that anyone who disagreed with him was either stupid or out to get him

Genius at insulting people: Insulted the Pope of Rome

4 Lecture Questions

What is a scientist?

a person who is studying natural or physical science

What is science?

study of behavior of the natural or physical world through observation and experimentation

What is "good" science?

science that is supported by experiments

What makes science different?

science is based on observation and experimentation unlike philosophy whcih is based on theory