Exploring Evidence of Early Earth's History
Presentation
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Biology
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9th - 12th Grade
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Practice Problem
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Easy
+3
Standards-aligned
Puja Shah
Used 8+ times
FREE Resource
8 Slides • 4 Questions
1
Word Cloud
What kinds of things do scientists study to learn about the history of the planet?
2
★Geologic Record
The history of Earth, recorded in the layers of rock that make up the Earth's crust.
Observations and analysis of data from rocks!
3
"Erased" due to the moving of tectonic plates and geological processes like those you see here.
Earth's Earliest Rocks
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Word Cloud
If Earth's earliest rocks have been "erased," where else can we look to find clues, or evidence, about Early Earth?
How do scientists learn about events in Earth's history that occurred before the crust solidified, or even before the Earth formed?
5
Let's watch a video
6
7
Reorder
Reorder the following
Spinning Cloud of Dust
Birth of Sun
Colliding Asteroids
Colliding Asteroids Grow into Planets
8
★Hadean Eon
Geologic time period when the Earth and other planets of the solar system formed.
4.6 - 4 billion years ago (bya)
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Since rocks are scientists' main tool for studying Earth's past, studying the Hadean eon is especially difficult.
Scientists rely on evidence from other solar system objects and computer simulations and models.
10
Over the next few days, we're going to make a timeline as a class!
Timeline of the Hadean Eon
11
12
Reorder
Reorder the following
Solar System Begins to Form
A Proto-Sun Formed
Asteroids and Planetesimals
The Late Heavy Bombardment
Traces of Early Life
What kinds of things do scientists study to learn about the history of the planet?
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