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Lectures in STEM

Crosscutting Concepts has developed a lecture series for each module in Desolation: STEM. A free preview of each module's lecture is below in PDF format. To access the full version PowerPoint formats of the lectures, please access via the teacher download portal.

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An Introduction to Numerical Methods

Introduction

Analytical solutions are the only methods taught to solve math problems until students take upper-level calculus classes.  A simple example of an analytical solution is the equation for a line: y=mx+b.  You can see that in an analytical solution, all variables of the system are accounted for at the same time which leads to large and complex equations.

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Lectures in Forensics

Crosscutting Concepts has developed a lecture series for each module in the Mystery of Lyle & Louise. A free preview of each module's lecture is below in PDF format. To access the full version PowerPoint formats of the lectures, please access via the teacher download portal.

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Ups and Downs of the pH Scale

Studying the pH of solutions is a basic skill to help understand the behavior of chemicals, but sometimes it is not very well explained.

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The Adolf Hitler Diaries

In 1979, Gerd Heidemann, a journalist from Der Stern magazine was approached by a man named Dr. Fischer, who claimed to possess Adolf Hitler’s secret diaries written between 1932 and 1945. Dr. Fischer said that the diaries were retrieved from an airplane carrying Hitler’s personal effects that crashed near Dresden.  Local farmers retrieved them from the wreckage and they came into the possession of an East German general who hid them until the early 80’s where they were secretly transported out of East Germany by Dr. Fischer, one at a time, hidden inside pianos.

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