This article contains information on how DNA is repaired to prevent mutated damage from interrupting DNA processes.
Experiments found that DNA could sometimes recover from damage. This article illustrates how the discovery was made. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.
Some viruses use RNA and reverse transcription to function. This article covers the scientists and experiments that made this discovery. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.
This animation explains how Nettie Stevens research on meal worms unlocked the chromosomal basis of gender.
The discovery that mRNA is not an exact copy of the DNA is the topic of this section from the DNA Learning Center. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.
Theodore Boveri will describe his research with worms that helped him discover the principles of meiosis. The animations of meiosis are really good.
At this website, read all eight chapters of Daniel Defoe's novel, "Robinson Crusoe." Also provided is a brief paragraph introducing the text, its context, it protagonist, and its reasons for its popularity.
This site from Palomar College contains a quiz that provides a nice review of the historyof Darwin's work and natural selection. Providesfor immediate feedback as soon as an answer is entered.
In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaii to regenerate after a volcanic eruption.
Don't let long words intimidate. Here students learn to break up long words into syllables.
The National Archives and Records Administration (NARA) provides an extensive overview of the Declaration of Independence. View the actual document, explore the history of the document as well as it's "stylistic artistry," and much more.
The Independence Hall Association provides an online image of the original document of the Declaration of Independence.
Describes the meeting of the Continental Congress during which the Declaration of Independence was adopted. Links to famous people present at the meeting.
Read the words for independence penned by Thomas Jefferson in the Declaration of Independence. Then link to a discussion of the document by Jefferson in his own autobiography.
On this National Archives and Records Administration web site, Stephen E. Lucas describes how the Declaration of Independence is a persuasive piece of literature. Lucus goes into details of the Declaration of Independence studying, at the level of the sentence, phrase, word, and syllable of the entire Declaration.
Text of the declaration of war which brought the United States into the War of 1812.
Full text of the declaration adopted by South Carolina as justification for its secession from the Union.
An online exhibit telling about the original creation of the Declaration of Independence and its many forms after. W.11-12.9b US Doc Analysis
What causes the circulation of ocean waters that are too deep to be affected by wind? Find out how salinity and temperature drive the deep sea currents. This resource has several videos and an online quiz.
Contains plans for three lessons that teach students to express and perform responses to reading. In addition to objectives and standards, this instructional plan contains links to PDF handouts and sites used in the lessons as well as assessment and reflection activities.