History of the Earth 1. Order these vocabulary words from smallest to largest : universe, solar system, planet, galaxy 2. How are the geocentric and heliocentric models similar? How are they different? 3. Explain why this is incorrect: “If the Earth’s orbit got smaller, the length of the Earth’s year would increase.” Write in complete sentences Don’t talk during the Catalys
18
Embed
History of the Earth 1. Order these vocabulary words from smallest to largest : universe, solar system, planet, galaxy 2. How are the geocentric and heliocentric.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
History of the Earth
1. Order these vocabulary words from smallest to largest : universe, solar system, planet, galaxy
2. How are the geocentric and heliocentric models similar? How are they different?
3. Explain why this is incorrect: “If the Earth’s orbit got smaller, the length of the Earth’s year would increase.”Write in complete sentences!
Don’t talk during the Catalyst!
Objectives
By the end of today, all SWBAT…
Describe the Big Bang Theory
Describe 7 important events in the history of the earth
12 billion years: Big Bang Theory
The Big Bang was an explosion of matter that created the universe
http://www.aisee.com/anim/bigbang.htm
Evidence of Big Bang Theory The redshift
When something that emits light moves farther away, the light looks more red
Light from faraway galaxies looks red…
Which means the universe is still expanding today!