College Board
Evaluating Sources: How Credible Are They?
How can learners evaluate research sources for authority, accuracy, and credibility? By completing readings, discussions, and graphic organizers, scholars learn how to properly evaluate sources to find credible information. Additionally,...
Curated OER
National Park Service: What Is Geologic Time?
A discussion of geologic time, along with a presentation of evidence for the time span involved.
Australian Museum
Australian Museum: Dating the Earth
How do scientists know how old the Earth is? What is radioactive dating? Are there other dating methods? Get the answers to these questions and others at this site presented by the Australian Museum Online.
University of Hawai'i
University of Hawaii: Time Zones
This site is provided for by the University of Hawaii. Students will learn about the purpose of time zones and then use time zone maps to calculate the time and day in a specific area.
Estrella Mountain Community College
Online Biology Book: Paleobiology: Fossils and Time
Find out how fossil evidence has been the major link to learning about Earth's geologic history. See several illustrated interpretations of a geologic time scale in this online biology textbook.
US Geological Survey
U.s. Geological Survey: Geologic Time
A discussion of geologic time, how scientists use the concept, and how they have determined its span.
Other
Time and Date: Daylight Saving Time Dst
Daylight Saving Time is a way of making better use of the daylight in the evenings by setting the clocks forward one hour during the longer days of summer, and back again in the fall. To remember which way the clock goes, keep in mind...
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice I
In this task, students learn about exponential decay by examining the amount of Carbon-14 left in a preserved plant with the passage of time after the plant has died. This provides a simple introduction to Carbon-14 dating but the actual...
US Navy
Usno: Daylight Time
From the U.S. Naval Observatory, a brief history of daylight savings time including information of the passage of the Energy Policy Act of 2005 which changed the date from the first Sunday in April to the second Sunday in March starting...
American Rhetoric
American Rhetoric: Ronald Reagan: "A Time for Choosing" (Aka "The Speech")
This is the text, audio, and video [4:02] of Ronald Reagan's speech, "A Time for Choosing" (aka "The Speech"), which aired on October 27, 1964, in Los Angeles, California.
New York Times
New York Times: On This Day: Commander of Armies That Turned Back Japan Led a Brigade in Wwi
An obituary for General Douglas MacArthur, who served in the United States Army for over sixty years. [Article date: April 6, 1964]
Fourmilab Switzerland
John Walker: Your Sky
You can produce sky maps for any date and time, viewpoint or observing location. See your sky map, horizon view, or track an asteroid or comet on this highly interactive site.
Mocomi & Anibrain Digital Technologies
Mocomi: Prime Meridian Facts and Information
Discover fun facts about the International Date Line while learning about the Prime Meridian and Greenwich Meridian Time.
Other
Time and Date: Weather: Accuracy of Weather Forecasts in Time
An explanation of why forecasts for today's weather are generally more accurate than weather forecasts further ahead in the future. The different types of forecast ranges are also briefly explained.
Other
Washington State Univ.: Questions About Human Evolution
How far back in time can we date bones or skeletons? How did certain species of man just die off? What was the manner of their communication? These questions and more are answered in this informative essay.
University of California
University of California Museum of Paleontology: Fossil Evidence
Understanding Evolution provides evidence for evolution using fossils. There are also links to lesson plans.
Other
Library of Congress: Teaching With Primary Sources
This website is an excellent resource for teaching with primary sources. This resource features Holocaust lessons, lesson plan strategies, and podcasts.
New Advent
Catholic Encyclopedia: Luteran Religion
A long and detailed description of Lutheran Religion Gives a long history of the evolution of Lutheran Religion from the time of the Protestant Reformation. Includes information on the Lutheran Churches today, their beliefs, and their...
New Advent
Catholic Encyclopedia: Carlo Goldoni
This is a good source of information about the life and times of Carlo Goldoni. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated around 1910.
Leaf Group
Classroom: How to Write a Research Paper Outline
This is an article focusing on gathering research information including paper requirements, citation information, and content, and then completing note cards and an outline.