As part of my presentation for the K12 Online Conference I am publishing this 50 page document. It is a combination of the 50+ RSS Ideas for Educators document and the Teaching Hacks wiki. It is geared towards an introduction to RSS, but carries on a bit further into topics such as tagging, social bookmarking, wikis and more. Link is to a pdf document.

What does 100 look like? Sound like? Feel like? In this video from Curious George, explore the many ways to measure 100 things.

Resources to mark the 100th day of school with math activities. Challenge students to generate 100 different ways to represent the number 100. Students will easily generate 99 + 1 and 50 + 50, but encourage them to think out of the box. Challenge them to include examples from all of the NCTM Standards strands: number sense, numerical operations, geometry, measurement, algebra, patterns, data analysis, probability, discrete math, Create a class list to record the best entries. Some teachers write 100 in big bubble numeral style and then record the entries inside the numerals.

The following list is ten of the best online video websites that offer entertaining and educational videos that kids will love. If you are a parent looking for an alternative to television for your kids, or you are a teacher looking for appropriate content for the classroom, this list can help.

In this video segment from Cyberchase, the CyberSquad replaces a piece of track to get the Madre Bonita Express to the Mother's Day harvest.

The exhibition 1492: AN ONGOING VOYAGE describes both pre- and post-contact America, as well as the Mediterranean world at the same time. Compelling questions are raised, such as: Who lived in the Americas before 1492? Who followed in the wake of Columbus? What was the effect of 1492 for Americans throughout the Western Hemisphere? The Library of Congress' Quincentenary exhibition addresses these questions, as well as other related themes, including fifteenth century European navigation, the myths and facts surrounding the figure of Columbus, and the differences and similarities between European and American world views at the time of contact.

A short six question quiz to see how much you know about 18th Century Ireland

A lesson plan in which students create their own multi-media epic poems about the year 1900. Walt Whitman's Song of Myself and Hart Crane's The Bridge serve as artistic models for students, who also draw on life histories, sound recordings, and other primary resources.

The documents selected for this exhibit are primary sources that historians and other researchers study when they write about historical events. They are a selection from the files created or received by Federal agencies in or near San Francisco at the time of the disaster. They contain eyewitness testimony of the damage of the earthquake, the ensuing fires, and the desolation that was left in their wake.

Through viewing and discussion of the video and investigation of the Web resources, students will develop a deeper understanding of rationing and the mathematics needed in a WWII household.

This video adapted from the Valdez Museum & Historical Archive, explores what happened during the Great Alaska Earthquake of 1964 through original footage, first-person accounts, and animations illustrating plate tectonics.

Historian William E. Leuchtenburg talks about past presidential elections and how the 2004 election fits or defies precedents.

In this activity, students determine their own eyesight and calculate what a good average eyesight value for the class would be. Students learn about technologies to enhance eyesight and how engineers play an important role in the development of these technologies.

This visualization from NASA shows global rainfall patterns over a 22-year span. It incorporates data from a combination of remote-sensing and ground-based sources.

This site answers questions that include: Why do we want to travel to Mars? How would your body change in space? Where would a space explorer find water and oxygen? How can we travel faster in space? Student actors (on video) and hands-on activities are featured with each answer. The site is for Grades 3-5 and available in Spanish.

Worksheet containing six multiple choice questions about 2D shapes.

This activity is designed for a primary classroom (outdoors & indoors) investigation where students collect and investigate soil samples and describe the soils, looking for similarities and differences. Students develop a method of recording the data colleted and can present the information gathered.

A seven day unit for 2nd grade teachers. Gives instructions and resources to help teachers teach what is means to be a leader and teaches about some famous historical leaders.

Introduces children to the International Space Station (ISS), the most complex international scientific endeavor in history. Activities focus on the purpose and construction of the ISS, the history of rockets, and the role of rockets in space station assembly. Activities emphasize hands-on involvement, data collection, observation, exploration, prediction, interpretation, problem solving, and language skills.