InTeGrate Modules and Courses >Water Science and Society > Student Materials > Module 1: Freshwater Resources - A Global Perspective > Water usage: What and Where? > Formative Assessment 2: Water Use Quantity
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These materials are part of a collection of classroom-tested modules and courses developed by InTeGrate. The materials engage students in understanding the earth system as it intertwines with key societal issues. The collection is freely available and ready to be adapted by undergraduate educators across a range of courses including: general education or majors courses in Earth-focused disciplines such as geoscience or environmental science, social science, engineering, and other sciences, as well as courses for interdisciplinary programs.
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These student materials complement the Water Science and Society Instructor Materials. If you would like your students to have access to the student materials, we suggest you either point them at the Student Version which omits the framing pages with information designed for faculty (and this box). Or you can download these pages in several formats that you can include in your course website or local Learning Managment System. Learn more about using, modifying, and sharing InTeGrate teaching materials.
Initial Publication Date: March 31, 2017

Formative Assessment 2: Water Use Quantity

Instructions

For each problem below, calculate the correct numerical answer. In order to receive full credit, you must show all your work. Remember to mind your units.

Questions

  1. Suppose that typical person uses 210 gallons of water per day. How many residents could the 50 cfs flow of Spring Creek in Houserville PA support?
  2. Penn State withdraws 2.5 million gal/day for the main campus. How much would that weigh? How much is that per person? How many acre-feet is it per day?
  3. Las Vegas's allocation from the Colorado River is 300,000 acre-feet/yr. How many gallons is this? How does that compare to the 2.5 million gallons/day total yield of Penn State's pumping wells?
  4. Lake Mead holds 31 million acre-feet. How many gallons is that? How long would it take Spring Creek at Houserville to fill up the reservoir?

Worksheet

Download the worksheet (Microsoft Word 2007 (.docx) 53kB Mar28 17) to use for submitting your assessment.

Submitting Your Answers

Bring your hand-written answers to class. Make sure your calculations are written neatly enough that another person can understand them.

Scoring and Rubric

Each problem will earn a maximum of 5 points, as described in the rubric below.

Rubric
Work ShownPossible Points
Calculation is set up correctly2
Units converted correctly1
Work is legible1
Correct answer1

These materials are part of a collection of classroom-tested modules and courses developed by InTeGrate. The materials engage students in understanding the earth system as it intertwines with key societal issues. The collection is freely available and ready to be adapted by undergraduate educators across a range of courses including: general education or majors courses in Earth-focused disciplines such as geoscience or environmental science, social science, engineering, and other sciences, as well as courses for interdisciplinary programs.
Explore the Collection »