22.1 Origins of Astronomy

​Bell Work

​1. Take out your Chrome Books and join the Quizizz lesson

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​-No chrome book? Better get right quick! Get a pass to the Media center, or Listen to further instruction.

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​2. Stay calm while attendance is taken!

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​2. Be ready to answer the question after the video on next slide.

Open Ended

Bell work: Based on the video or prior knowledge; is astronomy important, why or why not? 

22.1 Origins of Astronomy

by Coach O'Connor

Multiple Choice

What is one of Eratosthenes major contribution to Astronomy? (Ancient Greek 276 B.C.)

• He invented the telescope

• Discovered black holes

• He very closely determined the circumference of the Earth by using the distance between two Egyptian cities and the angular calculations of the Sun.

Multiple Choice

Who discovered that the Earth was round because it always casts a curved shadow when it passes between the sun and the moon? (This discovery was made in the 3rd century B.C. and was largely abandoned in the Middle Ages.)

• Isaac Newton

• Aristotle

• Galileo

Multiple Choice

Johannes Kepler came up with 3 laws of planetary movement. Which of the following was NOT one of the laws he came up with?

• The path of each planet around the Sun is an ellipse.

• Planets closer to the Sun will travel more rapidly, and planets farther from the sun will travel more slowly.

• The shape of the Earth is flat and everything we know is encompassed in a dome on a giant table

• The length of time it takes a planet to orbit the Sun is positively proportional to the distance it is away from the Sun.

Multiple Choice

Which of the following was NOT one of Galileo Galilei's contributions to Astronomy?

• Discovered 4 moons orbiting Jupitar

• Discovered that the Earth is FLAT

• Discovered dark regions on the Sun called Sun spots

• Discovered that the moon was not perfectly smooth

Multiple Choice

Who is credited for inventing the telescope?

• Galileo

• Aristotle

• Ptolemy

• Newton

Multiple Choice

Who came up with the idea of Universal Gravitation?

• Aristarchus

• Newton

• Ptolemy