FREE EARTH SCIENCE AND STUDY GAMES ABOUT

PDF Download

FREE EARTH SCIENCE AND STUDY GAMES ABOUT

PLANETS FINAL #1 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -50 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Volcano type that are short lived volcanoes that last a few days to months

then shut down:

Answer:

cinder cone Question 2: If you observe a disconformity, you would infer that the region had experienced:

Answer:

deposition in shallow water, uplift or lowering of sea level enough to expose the rocks to erosion and non-deposition for a period of time

Question 3: Which of the following plates is getting significantly smaller?

Answer:

Pacfic Question 4: In correct order from the center outward, Earth includes which units?

Answer:

inner core, outer core, mantle, crust

Question 5: If the Earth did not have plate tectonics, which of the following would probably not be found?

Answer:

trenches Question 6: The Hawaiian Island-Emperor Seamount chain is formed as a result of:

Answer:

hot spot activity Question 7: A transform boundary is characterized by:

Answer:

a deep, vertical fault along which two plates slide past one another in opposite directions Question 8: Oceanic crust is generated at:

Answer:

spreading ridges Question 9: The athenosphere is a layer of the Earth characterized by:

Answer:

soft rocks that flow easily Question 10: Oceanic crust is destroyed at:

Answer:

convergent plate margains Question 11: After 3 half-lives, how much of an original, radioactive, parent isotope remains?

Answer:

12.5% Question 12: What is the major volatile constituent in both magmas and volcanic gases?

Answer:

water

Question 13: What is the age of the Earth accepted by most scientists today?

Answer:

4.6 billion years Question 14: Which of the following layers in the Earth has the highest density?

Answer:

outer core

Question 15: Compared to oceanic crust, continental crust is;

Answer:

thicker and older Question 16: If you observe an angular conformity, you would infer that the region has

experienced:

Answer:

uplift and tilting of sedimentary units that exposes them to erosion over a period of time Question 17: Which type of rock can NOT be convertd into one of the other types?

Answer:

Any of them can be converted into any of them Question 18: What is the difference between "lava" and "magma"?

Answer:

It is just a name change; and lava is what magma is called if it reaches the surface of the Earth Question 19: All of the earth's ocean basins are:

Answer:

less than 200 million years old Question 20: Which of the following organisms would be most likely to be preserved in the geologic record?

Answer:

a clam with a thick calcite shell that lived on a mudflat

Question 21: The lithosphere is the outer layer of the earth characterized by:

Answer:

hard rocks that break Question 22: Tectonic boundary found at a rift valley:

Answer:

divergent continental-continental Question 23: Which 2 elements combine to make most of the common rock forming minerals in the crust?

Answer:

silicon and oxygen

Question 24: Which layer of the Earth is the thinnest?

Answer:

crust

Question 25: Which ocean formed as a direct result of the breakup of Pangea?

Answer:

Atlantic Question 26: If you observe a NONCONFORMITY, you would infer that the region had

experienced:

Answer:

deposition of sedimentary layers on igneous or metamorphc rocks that are exposed at the surface of the earth

Question 27: Which type of lava has the lowest viscosity?

Answer:

basaltic Question 28: Where on the Earth might you find a continent-continent convergent plate boundary?

Answer:

Himalaya Mountains