Earth Science Exam 1 Study Guide (Complete Guide With Correct Answers)
8 views 0 purchase
Course
Earth Science
Institution
Earth Science
Science - CORRECT ANSWER • The organized, systematic enterprise that gathers knowledge about the world and condenses that knowledge into testable laws and principles.
• Discovering facts about the natural world & the principles that explain those facts
• The diagnostic feature of science th...
Earth Science Exam 1 Study Guide (Complete Guide
With Correct Answers)
Science - CORRECT ANSWER • The organized, systematic enterprise that gathers knowledge about the
world and condenses that knowledge into testable laws and principles.
• Discovering facts about the natural world & the principles that explain those facts
• The diagnostic feature of science that separates it from non-science models is repeatability and
measurement.
1. Observation
2. Hypothesis
3. Test the hypothesis by experimentation.
Theory - CORRECT ANSWER • Has not been falsified
Falsifiability - CORRECT ANSWER • For an hypothesis to be scientifically valid, it has to be scientifically
valid, it has to have the potential to be proven false if it really is.
2. "Cloud" starts to condense due to gravitational attraction between particles.
3. Continued condensation results in rotation
4. Rotation results in flattening.
5. Densities get great enough for nuclear fusion to occur → a star= OUR SUN!
6. Remaining material accumulates in to the planets
7. Planets "sweep out" their orbits
8. 4.2-3.8 by a period of heavy bombardment.
9. The earth's surface cools, solidifies & Earths interior starts to differentiate into different layers based
on density.
, 2 Types of Crust - CORRECT ANSWER • Continental
3.5 ish Billion years old.
25-40 miles thick (for example: Granite)
• Oceanic
5-10 miles Thick (example: Basalt)
Made In Mid-ocean ridges 200 million years old.
Lithosphere - CORRECT ANSWER upper part of upper mantle & crust (rigid)
Aesthenosphere - CORRECT ANSWER Lower part of the upper mantle (pastic)
Core - CORRECT ANSWER > Outer Core:
- liquid metal
-where earth's magnetic field is generated
>Inner Core:
-Solid Metal
Minerals (Characteristics) - CORRECT ANSWER - a naturally occuring
- inorganic
- solid substance
- with a unique chemical composition & internal atomic structure
- made of elements
- 3000 minerals are composed of Oxygen & Silicon (the 2 most abundant elements).
Element - CORRECT ANSWER > a substance that cant be broken down into a simpler substance
>are made of atoms
6 Most Common Elements in the Crust - CORRECT ANSWER > FE (Iron)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Victoria108. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.59. You're not tied to anything after your purchase.
