Earth's Design
What four things do most kinds of life need?
food, water, oxygen, protection from the sun
What is the name of the book that Charles Lyell wrote that is the basis for secular geology today?
Principles of Geology
What layer of the earth do we live on?
Crust
Name an example of a biological resource.
fish, trees, livestock, bacteria, etc.
What would happen if there is too little gravity on the earth?
It would produce weaker bones and muscles.
What do uniformitarianism and catastrophism have in common?
principle of uniformity
This part of the earth's interior takes up the most volume of the earth.
mantle
Give an example of a nonbiological resource.
water, coal, air, sunlight,etc.
The reason the earth is evenly heated on its surface is because of this feature.
Earth's tilt
This states that the surface of the earth formed through gradual, natural process that took billions of years.
uniformitarianism
Geologists know what the interior of the earth looks like by measuring this kind of energy.
Seismic waves (earthquakes)
Give an example of a renewable resource.
water, light, oxygen, wind, etc.
What would happen if the earth did not have a strong magnetic field?
Dangerous radiation could reach the ground and kill living things.
Who was influenced by Charles Lyell's ideas on uniformitarianism that led to his theory of evolution.
Charles Darwin
This is the hottest part of the earth. It has two different layers.
The core (inner and outer core)
Give an example of a nonrenewable resource.
Coal, oil, minerals/metals, etc.
What could collide with the earth if it was located on the spiral arms of the galaxy?
Asteroids
This states that the earth's surface was mainly formed by a catastrophic event; namely the great flood we see in Genesis.
What is the percentage of volume for each section of the earth?
crust - 1%
mantle - 84%
core - 15%
Supply and Demand