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Earth/Geognosy/Quiz

< Earth | Geognosy

Geognosy is a lecture focusing on the structure and composition of the astronomical object Earth. It is an independent lecture.

File:Earth Shells to Scale.png
The planet Earth is made up of three main shells: the very thin, brittle crust, the mantle, and the core; the mantle and core are each divided into two parts; all parts are drawn to scale. Credit: Eugene C. Robertson, USGS.

You are free to take this quiz based on geognosy at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the {{geology resources}} template. This should give you adequate background to get 100 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

Suggestion: Have the lecture available in a separate window.

To master the information and use only your memory while taking the quiz, try rewriting the information from more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz

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1 Yes or No, Geognosy is the science and theory of the constitution of the Earth.

Yes
No

2 The geological study of the Earth's structure and composition is called

.

3 True or False, All or nearly all spheroidal, rocky objects have a crust.

TRUE
FALSE

4 Earth is composed primarily of?

5 True or False, All or nearly all spheroidal, rocky objects have a mantle.

TRUE
FALSE

6 Observations of Earth have benefited greatly from what phenomena?

a dense, opaque atmosphere
lightning
extensive meteorite cratering
a flattening out
liquid hydrocarbon lakes
the reflected light of silicates

7 True or False, All or nearly all spheroidal, rocky objects have a core.

TRUE
FALSE

8 Phenomena associated with Kepler-36b?

has a gaseous surface
about 30% of its mass is iron
about 4.5 times the mass of Earth
has a rocky surface
discovered by the Kepler spacecraft
about 1.5 times as large as the Earth

9 True or False, The XRS aboard the MESSENGER spacecraft maps mineral composition.

TRUE
FALSE

10 Yes or No, Evidence from geoseismology, heat flow at the surface, and mineral physics is combined with the Earth's mass and moment of inertia to infer models of the Earth's interior - its composition, density, temperature, pressure.

Yes
No


Hypotheses

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Main resource: Hypotheses
  1. The constitution of astronomical objects can vary as much as the variation of electromagnetic-type forces or interactions.

See also

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{{Radiation astronomy resources}}

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