A boomburb is a new urban phenomena that has emerged in the last 20 years along with the growth of the Sunbelt and its suburban-dominated forms of urbanization. Boomburbs are rapidly growing suburban cities and represent a new metropolitan form; even as boomburbs grow, they remain essentially suburban in character. Nearly 9 million Americans live in boomburbs. In this activity students examine data to define "boomburb," observe the location of several boomburbs to make generalizations about their location and relationship with larger urbanized areas, and finally look at the services and urban functions provided in boomburbs along with problems and issues associated with these urban phenomena.

In January of 2003, CSUF drilled and completed a deep multiport-monitoring well on the north side of campus. This was done in order to gain a better understanding of the local subsurface geology and groundwater conditions in and around CSUF. Samples were collected from the drill hole (boring) every 5-feet. The total depth of the well is 870 feet below ground surface (grade). Borehole geophysical data (E-log) information was collected from the boring prior to the installation of the well pipe. As you describe the soil samples, compare and contrast your findings to those of the geophysical signature (gamma-ray log) found in the accompanying "E-log" for the boring.

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Preparation requires lecture and/or reading material on stereonet methods in plotting small circles, and on making stereonet rotations along small circles. In lab, students are given a description of the problem, along with a schematic cross section on the blackboard showing how the dip of the eastern fold limb is not constrained, but how the orientation of cross beds in an unoriented core are the only data available to help constrain the dip of the fold limb. Students are then given a while (~20 minutes) to think about and discuss how a solution can be made. An open class discussion follows, and then I guide the students through the answer. An alternative method is to let the students take a week to think about and solve the problem with little or no help.

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Question In many high-grade metamorphic belts around the world, rocks were buried 20-30 km beneath the surface during deformation and metamorphism. How deep is that relative to the cruising altitude of a typical commercial airplane flying across the country?

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Question
Over the last 70 million years or so, the Hawaiian Hot Spot has been pumping out lava, a total of about 775,000 km3 worth. As the Pacific Plate has moved over the hot spot, the volcanic peaks and plateaus of the Hawaiian-Emperor seamount chain have formed. If all of that lava had erupted in California, how deeply would California be buried in lava?

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Question Suppose that you are building a new house. It will take about 90 kg (198 pounds) of copper to do the electrical wiring. In order to get the copper in the first place, someone needs to mine solid rock that contains copper, extract the copper minerals, throw away the waste rock, and smelt the copper minerals to produce copper metal. Rocks mined for copper typically contain only very small percentages of copper -- about 0.7% in the case of most of the big porphyry copper deposits of the world. How much rock would someone have to mine in order to extract enough copper to wire your new house?

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Question In 1983, an eruption began at Kilauea Volcano in Hawaii that has proved to be the largest and longest-lived eruption since records began in 1823. Lava has poured out of the volcano at an average rate of about 160 million m3 per year. To put those flow rates into perspective, let's suppose that the volcano was erupting directly into your classroom. At these flow rates, how long would it take to fill your classroom with lava?

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Question Let's suppose that you have a shoe box full of water (the box is waterproof, of course). The shoe box weighs about 9 kg (19.8 pounds). Suppose you emptied the box and filled it completely with rock (little or no air space). How much would it weigh? Let's empty the box again and fill it completely with pure gold. How much would the box weigh now?

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In the activity students learn about the properties of solutions, acidity and pH, electrolytes versus non-electrolytes, and solution concentration. Hopefully, this activity will also dispel common misconceptions about tap water and bottled beverages.

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After some in and out of class practice with mineral and rock id, students are divided into groups of about 5 and taken to locations where boulders and cobbles are used as decorative landscaping (usually adjacent to streets or on short slopes). This seems to work best if class sizes are about 25 or less - then instructors can keep track of groups in an area. Groups are given an area about 5 feet wide and 25 long (enough for several hundred cobbles/boulders) and told to identify 6-12 rocks of different types (at least 2 each if only doing Ig, Met, Sed.- more if rock names expected). 1.) In the first stage groups are given a fairly long time (~20-25 minutes) to pick and identify rocks with flags and markers. This seems like a long time and normally they can quickly flag and name the easiest rocks in their area. However, they only get one point for each rock correctly identified at this stage. 2.) In the second stage groups get 10 minutes to inspect all other groups' areas and mark those rocks they think other groups INCORRECTLY identified. They are allowed to send one person from their group to inspect each of the other groups' areas. Their group gets 5 pts for each correctly mis-identified rock of another group. 3.) In the third stage, groups can defend their identifications to the instructor/TA and get 10 points if they prove that another group flagged/id'd one of their identifications incorrectly - the mistaken group gets docked 10 points. The key to this exercise is that in the first stage some of the students should realize that they get many more points for making other groups mis-identify their rocks, and that all of their own group members should be trained to have enough expertise to identify tricky or difficult rocks. This is the reason for the excess time at the first stage, for training, review, and typically the group will change their chosen rocks to include the most difficult ones rather than the easiest. Should groups not realize this - the instructor might want to prompt them.Students are allowed Rock charts, cheat sheets, etc. at the instructors decision.

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Students are taught how to use FossilPlot software in the lab prior to this exercise. Students work individual to work through the short exercise, handing in a copy of the diversity graphs for the brachiopod orders (which will be tested in the following midterm) and a completed worksheet. The exercise reinforces the main functions of FossilPlot and addresses basic concepts on diversity and biostratigraphy. Once the assignments are collected and graded, we discuss the outcomes of the exercise in class.

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SSAC Physical Volcanology module. Students build a spreadsheet and apply the ideal gas law to model the velocity of a bubble rising in a viscous magma.

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Build Your Own Earth is a freely available web site to explore the factors that affect Earth's climate. Climate model simulations reveal the annual distributions of 50 different quantities. An accompanying homework for undergraduates is included that could be adapted for other students.

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How can we design buildings to withstand an earthquake? This activity uses simple materials and gives learners a chance to experiment with structures that can withstand an earthquake. Two optional activities explore building damage by subjecting models to ground vibration on a small shake table.

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Lab 1: the students begin by describing on a worksheet their own ideas
of delta formation using concept sketches and written descriptions of
the stages of formation, with only broad guidance from the instructor.
They are also asked to describe the key features of their concept
sketches, and to hypothesize how those features might develop (the
processes). The students have all been exposed to deltas in Physical
Geology, but likely only have rudimentary knowledge of them. Once they
have completed the worksheet, the entire class moves to a lab with a
stream table in it, preset to run a "model delta." The model has both a
web cam and a time-lapse web cam set up over the table to record the
development. The students help start the water flowing and the cameras
recording, then watch as it develops over the next 2-3 days.

Lab 2: In the second lab, we use grain-size analysis of the
stream-table delta as a means of testing some of their ideas from lab
1. The students as a class develop a strategy to sample the
stream-table delta for grain size, using a laser grain-size analyzer.
Each pair of students collect one sample, but are also asked to predict
the changes in grain size distribution for samples elsewhere in the
delta. The particle size analyzer rapidly provides results to the
students near the end of lab.

Lab 3: the final lab is a field trip to a pair of gravel pits that
expose the guts of two natural stranded deltas, including topset and
foreset beds. The students are asked to assess the landforms on a topo
map before arriving, and to describe the deposits at each site we
visit. On the final writeup, the students need to synthesize all the
elements of the three labs, along with input from our readings in the
textbook (Easterbrook) and McPhee's "Control of Nature."Â

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In association with rock and mineral ID tables, this lab introduces students to basic rocks and minerals via grouping and comparison, rather than as individual samples. I use this lab in my environmental geology course, where we don't have enough lab time to examine each set of rocks and minerals separately, but students need a basic familiarity with these materials and a context in which to place them. I find these groupings teach them how to look at rocks and minerals and give them the cursory experience identifying geologic materials necessary to go on successfully in the course.

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At the beginning of a course-based research project, each student in a research team is asked to read primary literature related to the team investigation. A mix of provided readings and readings found by the students builds the team content knowledge concurrent with team work on research design and data collection. Students reflect and report on the readings in an annotated bibliography, which is a graded assignment in the course.

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This activity involves building crystal structure ball models in order to strengthen students' understanding of crystalline order, relative atomic size, atomic coordination, crystal chemistry, and crystal symmetry.

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Building Oscillation Seismic Simulation, or BOSS, is an opportunity for learners to explore the phenomenon of resonance for different building heights while performing a scientific experiment that employs mathematical skills. They experience how structures behave dynamically during an earthquake.

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