December 6, 2010

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Science World is now offering comprehensive online resources for subscribers. The digital package for this issue will help you teach the cover story, "Mixed-up Species" on p. 6.

• Start your lesson by showing this POWERPOINT , which will introduce your students to the concept of hybrid animals.

• Next, read the article, “Mixed-up Species,” p. 6, that discusses the issues surrounding animals born from two different species. Your entire class can view a DIGITAL VERSION of the article using your SMART Board or whiteboard and computer projector.

• After reading the story, have students complete the CHECK FOR UNDERSTANDING skills sheet as a class or individually to test their reading comprehension.

Teacher's Edition
Download this issue's Teacher's Edition here. (Answer keys have been removed.)

Online-only Check For Understanding Skills Pages

• “Mixed-up Species”
• “Swallowed by a Sinkhole”
• “High-tech Hundred”

Bonus Online Reproducible:

• After reading “High-tech Hundred” (p.1 4), have your class complete this reading-comprehension skills sheet, which tests students’ understanding of a reading passage.

WEB EXTRAS!
Science News

• See terror bird Andalgalornis’s bite in action.

“Mixed-up Species”

• VIDEO EXTRA: Watch the Chestatee Wildlife Preserve’s baby zedonk.
• Serendip, a biology education program sponsored by Bryn Mawr College, has a multitude of activities and notes on genetics.
• How well can you classify critters? Take the quiz at this interactive Web site to learn more about identifying species.

“Swallowed by a Sinkhole”

• VIDEO EXTRA: Watch a video about the Guatemala sinkhole.
  
• The U.S. Geological Survey has a fact sheet on sinkholes and how they form.
• Check out this National Geographic slide show of sinkholes around the world.

“High-tech Hundred”

• VIDEO EXTRA: For an interactive view of the new security features on the $100 note.
• Learn more about all of the different jobs the U.S. Treasury does at its Web site for kids.
• Want to know more about U.S. currency? Check out this online exhibit from the Federal Reserve Bank of San Francisco.
• The NOVA program “Secrets of Making Money” has an interactive Web site full of historical information about currency here.