Curated OER
Grading Khan Academy
Who is Salman Khan? That is the first question learners will answer after reading a New York Times article about the online math and science educator. They'll read the article and respond to eight questions that ask, who, what, when,...
Khan Academy
Khan Academy: Algebra: Solving Quadratic Equations by Factoring
An exercise on solving a quadratic equation by applying the method of factoring by grouping. Begin by clicking on "show scratchpad."
Khan Academy
Khan Academy: What Are Velocity vs. Time Graphs?
Graphs and examples help explain what the vertical axis, slope, and area represent on a velocity-time graph.
Khan Academy
Khan Academy: What Are Acceleration vs. Time Graphs?
What can you learn from graphs that relate acceleration and time? This tutorial takes a look at the vertical axis, slope, and area on a graph and provides examples.
Khan Academy
Khan Academy: Reaction Mechanisms
A complete definition of reaction mechanism, intermediates, and rate limiting step can be found here. Understand how to evaluate a proposed reaction mechanism using the rate law. Find practice questions and check comprehension.
Khan Academy
Khan Academy: Types of Catalysts
What is a catalyst? This Khan Academy resource includes examples of enzymes, acid-base catalysis, and heterogeneous (or surface) catalysis.
Sophia Learning
Sophia: Time Management: Teaching With the Social Platform
Created to teach students of the 21st century, SOPHIA is bringing 21st century teaching resources straight to your fingertips. Approach your classroom in a brand new way and your students will never be the same again.
Khan Academy
Khan Academy: Art History: Catal Hoyuk
Article discussing the importance of Catal Hoyuk in Turkey for understanding the beginning of art during the Neolithic period.
Khan Academy
Khan Academy: Comparing Multi Digit Numbers: Place Value Challenge
In this exercise, students practice their place value understanding by comparing multi-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Chemistry of Life: Skill Check: Chemical Bonds and Reactions
Use this skill check to test your understanding of chemical bonds and reactions.
Khan Academy
Khan Academy: Tissues, Organs, & Organ Systems
Describes the main tissue types and organ systems of the body and how they function together.
Khan Academy
Khan Academy: Verifying Inverse Functions by Composition
Learn how to verify whether two functions are inverses by their composition. Students are given examples and practice problems.
Khan Academy
Khan Academy: Infographic: Timeline
An all-encompassing historical timeline from the Big Bang Theory to modern-day. PDF is available to download.
Khan Academy
Khan Academy: Division and Composition
Test your knowledge of the distinction between the fallacy of division and the fallacy of composition.
Khan Academy
Khan Academy: Denying the Antecedent and Affirming the Consequent
Test your knowledge of the fallacies of denying the antecedent and affirming the consequent.
Khan Academy
Khan Academy: Begging the Question
Test your knowledge of the fallacy of begging the question.
Khan Academy
Khan Academy: Complexity and the Future
Will our descendants enjoy lives that are richer, more fulfilled, healthier, and in general better than those of today? Or will human societies collapse under the strain of depleted resources, brutal conflicts, and environmental damage?...
Khan Academy
Khan Academy: Darwin, Evolution, and Faith
Can ancient scriptural accounts of the world's creation by God be reconciled with Darwin's new story? This article looks at three responses to this question: Conflict, Contrast, and Convergence.
Khan Academy
Khan Academy: Crick, Watson, and Franklin
This article describes the race to unlock the mystery of life by determining the double helix structure of the DNA molecule. The discovery of DNA and its structure is an example of collective learning.
Khan Academy
Khan Academy: Activity: The Voyage of the Beagle
In this activity, you'll learn how to interpret images and maps in order to extract information about Darwin's trip to the Galapagos Islands. Links provided for a gallery of images and a worksheet.
Khan Academy
Khan Academy: The Industial Revolution
At one time, humans, fueled by the animals and plants they ate and the wood they burned, or aided by their domesticated animals, provided most of the energy in use. All life operated within the fairly immediate flow of energy from the...
Khan Academy
Khan Academy: The Anthropocene
What kind of evidence could demonstrate that humans have begun to dominate and alter the life systems of Earth and have entered a new geological epoch? This article discusses the suggestion that we have entered the Anthropocene and...
Khan Academy
Khan Academy: Energy Through Time
The quest for energy has always been a balancing act. As humans have gained greater control over their environment, they've found abundant resources - and faced numerous challenges. This article traces the history of our quest for energy.
Khan Academy
Khan Academy: Smith, Marx, and Keynes
Spanning three centuries of history, from the dawn of the industrial age to modern times, three diverse thinkers developed their own landmark theories on commerce, labor, and the global economy. The three economists profiled in this...