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8th Space and Earth Chapter 4

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on 9 February 2015

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Transcript of 8th Space and Earth Chapter 4

Geology:
The earth Speaks
Chapter 4
A Special Place
Apollo 8
Christmas Eve, 1968
Evidences For Design
Earth’s mass and structure
Amount of gravity
Type of surface
Our Moon
100 times larger
than the average moon.
Ratio of size is larger
Tides
Tilt and Rotation
Seasons
Right amount of
day and night
Liquid Water
Essential to life
Special Properties
Earth's Atmosphere
Transparent
Protection
Right amount of oxygen
Earth's Magnetic Field
Strong
Vital for life
Our Sun
Wavelengths of light

Habitability zone
Place in the Solar System and in the Milky Way
Gravity of gas giant planets helps to shield Earth
Solar System
Milky Way
1. The center of the planet would likely be more dangerous
2. Relatively few stars nearby
Geology, the Science
: the Study of the Earth
History of Geology
Uniformitarianism:
The Present is the Key to the Past
Scottish Physician

Wanted to believe in long ages
1795
English Geologist
Principles of Geology
Deep-time Ages
Father of Geology
Alfred Wegener
Plate Tectonics
The Genesis Flood
John Whitcomb
Henry Morris
Operational Geology
1. Identify Rocks
2. Draw Maps
3. Study rock movement
4. Study Soil
Historical Geology
Cause and Effect
Can't apply process to
the unobservable past
Structure
How Can They Tell?????
Seismic Waves
Crust
Mantle
Core
Crust
Outer Layer
3-56 mi thick
Moho
84% of the Earth
1800 Miles Deep
Upper Mantle
Lithosphere (Upper Mantle + Crust)
Lower Mantle
Asthenosphere
15% of Volume
Outer Core
-Liquid
-1400 mi thick
Inner Core
-Solid 85% Iron 4-5% nickel
Natural Resources
Any raw material that we use from our environment
Biological Resources
Actual Resources
Non Biological Resources
Vs.
Potential Resources
Renewable and Nonrenewable Resources
Resources renew at different rates
Some resources are used up like oil, silver
and gold.
Accessing Resources
If a resources is hard to get it
becomes expensive
Resource and Dominion
Resource Management

Full transcript