TrayKay

All About Cells

Seeing Inside Cells: Lesson for comparing and contrasting plant, animal, yeast, and bacteria cells using interactive exercises and worksheets. Science-Class.net: Many free science resources for elementary and middle-school grades. The section on cells features activities and labs, slideshows, games and quizzes, and links to interactives and other resources.  Biology Corner: Another site with many lesson …

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Free World History Textbooks and Resources

The following free textbooks for middle- and high-school learners are available as pdf files that can be downloaded or added to your Google drive. Journey Across Time TextbookJourney Across Time Activity WorkbookJourney Across Time Printable Worksheets: with blank outlines, reading check questions and vocabulary for each chapter. For two ancient civilization textbooks, at the site, …

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