May 24, 2013
Week 1 Review Questions
3. How do you think the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes? By using the principle of uniformitarianism, we can study the way rocks are formed and look at the same rock that is designed today. Same goes for the way the wind placed the sand grain and made sand dunes that were spotted in Arizona. The lithosphere theory of earth contains many different plates that float around on the upper part of the earth. This could explain how the formations of volcanoes erupt and how earthquakes happen. 5. In what ways do geologic processes affect your daily life? Living here on Earth, we use a lot of Earth’s resources, such as oil, coal and minerals. The geologic process will help us better understand on how Earth provides us with necessary things that we need to live on our plant. Chapter 2
1. When astronauts brought back rock samples from the Moon, the minerals present were mostly the same as those found on Earth. Can you think of reasons why this might be so? Would you expect minerals on Mars or Venus to be the same, or at least very similar, to those on Earth? Seeing that the Moon and Earth’s rocks were created by dust revolving around the sun, which then became the planets we know today, it is very likely they are composed of similar or the same materials. The same could be said for Mars and Venus because they are known as the rocky planets; therefore they evolved from rock just like Earth and the Moon. 3. Which of the following materials are minerals, and why (or why not)? Water; beach sand; diamond; wood; vitamin pill; gold nugget; fishbone; emerald. Water is not a mineral because it is not a solid.
Beach sand can be considered a mineral because it is often made of broken down rocks which do contain minerals, however,...
References: Murck, B., Skinner, B. & Mackenzie, D. (2010). Visualizing geology (2nd ed.). Hoboken, NJ: Wiley.
The Geological History of Florida. (2013). Retrieved from http://www.academic, emporia.edu
Howstuffworks. (2013). Retrieved from http://www.science.howstuffworks.com
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