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Khan Academy: Old Kingdom: Pyramid of Khufu
Using vibrant pictures, this source details the construction of the Great Pyramid for the Pharoah Khufu. A bibliography is given for further research and a question/answer section from the community is included.
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Khan Academy: Official Sat Practice
[Free Registration/Login Required] Khan Academy has partnered with CollegeBoard to provide targeted practice for the Math or Reading/Writing sections of the SAT.
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Khan Academy: American Indian Culture of the Southeast
The Southeast Indian tribes were known for their agricultural success. Examine their farming practices, pottery, mound building traditions, and societal structure in the following summary. Also included are pictures, maps, critical...
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Khan Academy: American Indian Culture of the Plains
The Plains Indians had a dynamic society that changed over time. See how the introduction of the horse changed their way of life. Read about their religion, societal structure, housing, and tools. Included are pictures, maps, critical...
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Khan Academy: Probability: The Basics
Provides an introduction to probability. Includes examples, two videos, and links to additional resources, e.g., exercises to try. There are also problems and discussions of them in the Comments section.
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Khan Academy: Add 2 Digit Numbers by Making Tens 2
Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!
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Khan Academy: The Election of 1968
Richard Nixon was elected president during a tumultuous year in American history. Examine his campaign through this summary, references for further reading, questions for analysis, and a question/answer section from the community.
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Khan Academy: The Vietnam War
Examine the Vietnam War through this summary, the transcript of the Gulf of Tonkin Resolution, questions for analysis, references for further reading, and a question/answer section from the community.
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Khan Academy: Lyndon Johnson as President
Lyndon Baines Johnson became president on the heels of a national tragedy. Review his domestic and foreign policy using the following summary, questions for critical thinking, references for further study, and a question/answer section...
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Khan Academy: The Cuban Missile Crisis
In October 1962, Americans "peered into the abyss of nuclear destruction". Investigate how America got this close to nuclear war by reading the following summary, answering critical thinking questions, using the bibliography for further...
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Khan Academy: The Student Movement and the Antiwar Movement
The 1960's was a time of upheaval in America mainly led by young adults disenchanted with the government. Examine the influences of this movement and read an excerpt from the Port Huron Statement written by the SDS at the University of...
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Khan Academy: The Impact of the Crusades
The Crusades had far-reaching consequences that are felt even today. Learn about the religious, military, and cultural impact of the Crusades. Included are pictures and a question/answer section from the community.
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Khan Academy: Meet the Adverb
Have you met the adverb? See if you can identify the adverb by taking this Khan Academy quiz. If you feel stuck, click the Hint link for a short lesson or video.
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Khan Academy: Plural and Singular Nouns
Can you tell the difference between a singular and plural noun? Take this Khan Academy quiz to find out! Included are hints if you are stuck on a question.
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Khan Academy: Coordinating Conjunctions
Test your knowledge on coordinating conjunctions with this quiz from Khan Academy. If you are stuck, click a link for short lesson to help you review the information.
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Khan Academy: What Is Physics?
Article attempts to answer the question "what is Physics?" Takes a look at concepts such as force, motion, Newton's Laws, work, energy, and much more.
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Khan Academy: Non Ideal Behavior of Gases
Find out how real gases differ from ideal gases, and when intermolecular attractions and gas molecule volume matter.
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Khan Academy: Photoelectric Effect
Article explains the experiments on the photoelectric effect and how these experiments led to the idea of light behaving as a particle of energy called a photon.
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Khan Academy: Biology: Macromolecules: Introduction to Proteins and Amino Acids
Learn the basics of peptide bonds and how different amino acids combine to form different proteins. Also discussed is the difference in function and structure of proteins.
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Khan Academy: Cosmology and Astronomy: Season Simulator
This season simulator takes Earth through an entire year cycle allowing the viewer to observe the tilt of the Earth and the intensity of the sunlight.
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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.
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Khan Academy: Art History: Stonehenge, Salisbury Plain, England
Article discussing the construction and the significance of Stonehenge. Includes links to additional information, images, and an animation.
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Khan Academy: Connections Between Cellular Respiration and Other Pathways
Resource examines how non-glucose molecules such as carbohydrates, proteins, and lipids enter the cellular respiration pathway. Also, looks at the use of cellular respiration intermediates for biosynthesis.
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Khan Academy: Intro to Photosynthesis
Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.