Earth Science Notes
Chapter 1
1.1 Earth Science & the Earth System
-Earth science is the study of Earth and the processes that shape it
-The earth system is composed of four principal components: atmosphere (air, weather), hydrosphere (water, ice), biosphere (plants, animals), and geosphere (land, rocks).
- Earth science can be broadly defined as the investigation of interactions among the four parts of the earth system.
- The second largest earthquake ever recorded buckled the seafloor west of Sumatra, Indonesia 2004.
- We interact with earth every time we eat. (Water, ice, salt, kaolinite, elements)
1.2 What is Science?
-Science is a process discovery that increases our body of knowledge
1.3 Doing Science
- Scientists use observations to form testable hypotheses.
-There are four basic principles to remember when conducting a scientific investigation.
-Critical thinking skills •Applying knowledge and understanding to new circumstances • Analyzing and evaluating information to make interpretations and solve problems • Creating and conceiving new concepts, principles, and knowledge
-The SCIENTIFIC METHOD is a systematic approach to answering questions.
-The SCIENTIFIC METHOD requires the use of empirical observations, which can be made and corroborated by others, to form ideas to answer questions. These ideas are called hypotheses.
-Hypotheses are developed as a potential explanation of observations.
-The process of testing the hypothesis, which is the hallmark of using the SCIENTIFIC METHOD, can be performed either by inductive or deductive reasoning.
-Characteristics of Bad Science An attack on the scientist, not the science People who argue from authority Confusion over cause and effect The use of bad statistics
Chapter 2
Major Points according to the lecture: * Well-developed biosphere from an abundance of water, an oxygen-rich atmosphere, and a magnetic fields that shields away solar radiation * Solar radiation powers activities
1.1 Earth Science & the Earth System
-Earth science is the study of Earth and the processes that shape it
-The earth system is composed of four principal components: atmosphere (air, weather), hydrosphere (water, ice), biosphere (plants, animals), and geosphere (land, rocks).
- Earth science can be broadly defined as the investigation of interactions among the four parts of the earth system.
- The second largest earthquake ever recorded buckled the seafloor west of Sumatra, Indonesia 2004.
- We interact with earth every time we eat. (Water, ice, salt, kaolinite, elements)
1.2 What is Science?
-Science is a process discovery that increases our body of knowledge
1.3 Doing Science
- Scientists use observations to form testable hypotheses.
-There are four basic principles to remember when conducting a scientific investigation.
-Critical thinking skills •Applying knowledge and understanding to new circumstances • Analyzing and evaluating information to make interpretations and solve problems • Creating and conceiving new concepts, principles, and knowledge
-The SCIENTIFIC METHOD is a systematic approach to answering questions.
-The SCIENTIFIC METHOD requires the use of empirical observations, which can be made and corroborated by others, to form ideas to answer questions. These ideas are called hypotheses.
-Hypotheses are developed as a potential explanation of observations.
-The process of testing the hypothesis, which is the hallmark of using the SCIENTIFIC METHOD, can be performed either by inductive or deductive reasoning.
-Characteristics of Bad Science An attack on the scientist, not the science People who argue from authority Confusion over cause and effect The use of bad statistics
Chapter 2
Major Points according to the lecture: * Well-developed biosphere from an abundance of water, an oxygen-rich atmosphere, and a magnetic fields that shields away solar radiation * Solar radiation powers activities