Instructional Video
PBS

Pbs Learning Media: Galileo's Big Mistake

9th - 10th
Scientists don't always get it right. This video segment adapted from NOVA looks at Galileo's failed theory for the motion of the tides. [1:43]
Instructional Video
PBS

Pbs Learning Media: Galileo: Discovering Jupiter's Moons

9th - 10th
This video segment adapted from NOVA shows how Galileo, using his newly developed refracting telescope, observed four of Jupiter's moons, the first astronomical bodies to be discovered since ancient times.
Instructional Video
PBS

Pbs Learning Media: Galileo: Sunspots

9th - 10th
This video segment adapted from NOVA shows how Galileo used his telescope to carefully observe and study sunspots.
Instructional Video
Science for Kids

Science Kids: Scientist Videos: Galileo Galilei Biography

9th - 10th
A brief biography about Galileo Galilei, an Italian scientist and inventor who contributed greatly to the fields of physics and astronomy at a time when new ideas and radical thinking were controversial. [2:11]
Instructional Video
PBS

Nova: Galileo's Battle for the Heavens

9th - 10th
A fascinating overview of Galileo as a person and as a scientist. Links to extras such as, a timeline of his life, an interactive look at his experiments, and even one of his biggest mistakes and why he was wrong.
Instructional Video
Crash Course

Crash Course History of Science #14: The Scientific Methods

9th - 10th
Historically speaking, there is no one scientific method. There's more than one way to make knowledge. In this episode, learn about three scientists and the methods they pioneered. Galileo's focus on rational comparison of theories about...