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Back-of-the-Envelope Calculations: Communication with Mars part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Suppose you were living in a Mars colony, and you wanted to call home to your parents on Earth. You say, "Hello! How are you?" How long do you have to wait until you hear them say, ...

Back-of-the-Envelope Calculations: Scale of the Himalayas part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Let's imagine a scale model of the Earth, and let's imagine that the Earth is the size of a basketball. Suppose that you wanted to build the Himalayas to scale on the surface of the basketball. ...

Back-of-the-Envelope Calculations: The Scale of the Atmosphere part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Let's imagine a scale model of the Earth and use a basketball to represent the Earth. Now, let's get ourselves some packages of fruit roll-ups and start covering the basketball with layers of ...

Back-of-the-Envelope Calculations: Size of KT Meteorite part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question About 66 million years ago at the end of the Cretaceous Period, a meteorite estimated to have been about 10 km in diameter slammed into the Earth. Let's put the size of this cosmic cannonball into ...

Back-of-the-Envelope Calculations: The Right Eye of the Man in the Moon part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question The "right eye" of the Man in the Moon is really Mare Imbrium, the central portion of a gigantic multi-ring basin formed by a colossal meteorite impact several billion years ago. Which of the ...

Back-of-the-Envelope Calculations: Orbital Distance Scale part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Let's imagine a scale model of the Earth with an orbiting Space Shuttle. Suppose that the Earth is the size of a basketball. How far above the basketball does the Shuttle orbit?

Genetic and Empirical Approaches to Classifying Climates part of Quantitative Skills:Activity Collection
Charles Dodd, Shoreline Community College
Students (in groups of 3-4) are given a hypothetical planet and create a genetically based climate regionalization. Students then interpret empirical data of various climate phenomena (precipitation, temperature, evapo-transpiration) from different locations on the planet, and apply these to the Koppen system of climate classification.

Prospecting for Gold part of Quantitative Skills:Activity Collection
James Myers, University of Wyoming
Gold prospecting exercise.

Measuring specific gravity to answer questions about subduction. part of Quantitative Skills:Activity Collection
Leslie Kanat, Johnson State College
Use a quadruple beam balance to measure the specific gravity of the minerals and rocks that are common in oceanic and continental lithosphere. The results of the calculations are tied to numerous concepts described in previous lectures.

Reading Topographic Maps and Calculating Map Scale part of Quantitative Skills:Activity Collection
Leslie Kanat, Johnson State College
Use a topographic map to deliniate a watershed, draw a map bar scale, and calculate a map ratio scale.



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