Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Astronomy 2e

Review Questions

Astronomy 2eReview Questions

Review Questions


What is the thickest interior layer of Earth? The thinnest?


What are Earth’s core and mantle made of? Explain how we know.


Describe the differences among primitive, igneous, sedimentary, and metamorphic rock, and relate these differences to their origins.


Explain briefly how the following phenomena happen on Earth, relating your answers to the theory of plate tectonics

  1. earthquakes
  2. continental drift
  3. mountain building
  4. volcanic eruptions
  5. creation of the Hawaiian island chain

What is the source of Earth’s magnetic field?


Why is the shape of the magnetosphere not spherical like the shape of Earth?


Although he did not present a mechanism, what were the key points of Alfred Wegener’s proposal for the concept of continental drift?


List the possible interactions between Earth’s crustal plates that can occur at their boundaries.


List, in order of decreasing altitude, the principle layers of Earth’s atmosphere.


In which atmospheric layer are almost all water-based clouds formed?


What is, by far, the most abundant component of Earth’s atmosphere?


In which domain of living things do you find humankind?


Describe three ways in which the presence of life has affected the composition of Earth’s atmosphere.


Briefly describe the greenhouse effect.


How do impacts by comets and asteroids influence Earth’s geology, its atmosphere, and the evolution of life?


Why are there so many impact craters on our neighbor world, the Moon, and so few on Earth?


Detail some of the anthropogenic changes to Earth’s climate and their potential impact on life.

Order a print copy

As an Amazon Associate we earn from qualifying purchases.


This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at
Citation information

© Jan 23, 2024 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.