Earth Science Semester 1 Exam Review Questions With Latest Solutions
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Course
Earth Science
Institution
Earth Science
What are are earth's different layers in order from top to bottom? - ANSWER 1. Crust
2. Mantle
3. Outer Core
4. Inner Core
What are earth's different interacting spheres? - ANSWER 1. Hydrosphere
2. Atmosphere
3. Biosphere
4. Lithosphere
5. Cryosphere
What is Earth science? - ANSWER...
Earth Science Semester 1 Exam Review Questions
With Latest Solutions
What are are earth's different layers in order from top to bottom? - ANSWER 1. Crust
2. Mantle
3. Outer Core
4. Inner Core
What are earth's different interacting spheres? - ANSWER 1. Hydrosphere
2. Atmosphere
3. Biosphere
4. Lithosphere
5. Cryosphere
What is Earth science? - ANSWER the study of how these different spheres interact and the way this
interaction shapes earth's surface
Biosphere - ANSWER life and its environments
Cryosphere - ANSWER naturally occurring ice
Geosphere - ANSWER land and Earth's interior
Hydrosphere - ANSWER oceans, rivers, lakes
Atmosphere - ANSWER air surrounding Earth
What helps to reveal the origin and development of life? - ANSWER Earth's geologic history
, What contains clues to the development of life and the conditions in ancient environments? - ANSWER
rocks
How can the geologic history of an area be interpreted? - ANSWER by careful examination of fossils and
the relative ages of different layers of sedimentary rocks
What are some examples of relative dating techniques? - ANSWER crosscutting relationships, the
principle of inclusion, superposition, and uniformitarianism
Uniformitarianism - ANSWER a key concept in earth science: the present is the key to the past; it
expresses the scientific understanding that the processes that are at work on earth today are the same
processes that were at work in the past
Earth's history is divided into what? - ANSWER time periods
How long do scientists say earth's history is? - ANSWER 4.6 billions years
What is the geologic time scale based in part on? - ANSWER the emergence and disappearance of life
on the planet
What is the geologic time scale divided into? - ANSWER eons, eras, periods, and epochs
Paleozoic Era - ANSWER aka the Permian period--mass extinctions occurred at the end of this period
Mesozoic Era - ANSWER aka the Cretaceous period--mass extinctions also occurred at the end of this
period (here was the time of the extinctions of the dinosaurs and many other organisms)
"mya" - ANSWER million years ago
"bya" - ANSWER billion years ago
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