![Early 20th Century Migration: Transportation: Past, Present and Future [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Early 20th Century Migration: Transportation: Past, Present and Future [Pdf] Lesson Plan")
The Henry Ford
Early 20th Century Migration: Transportation: Past, Present and Future [Pdf]
A teacher's guide and unit plan that explores the migration of people from within and to the United States in the early 20th century up to the present day, many of them to work in the automobile factories in the northern US. Additional...
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History of Sydney's Birds
Learn about the birds of Sydney Australia. See how the number of species have changed over time and learn what those changes can tell us about Sydney's past, present and future bird populations.
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Graph pad.com: Comparing Linear Regression to Nonlinear Regression
This resource presents a complete and detailed look at linear regression. This guide provides lots of details and graphs to explain each concept.
Science Struck
Science Struck: Interesting Philosophical Questions About Time
Discover some of the deep questions that scientists and philosophers ask about time and some of the ideas that emerge from each one.
Exploratorium
Exploratorium: Global Climate Change: Research Explorer
Explore scientific data relating to the atmosphere, oceans, areas covered by ice, and living organisms in all these domains. Interpret past and present climate data to predict future climate change and its possible effects.
American Institute of Biological Sciences
Action Bioscience: Flowering Plants: Keys to Evolution & Human Well Being
Plants give us insight into the past, sustain the present, and prepare for the future. Peruse the article to appreciate the value of angiosperms.
Khan Academy
Khan Academy: Managing Time With Tense and Aspect
Using what you've already learned about tense and aspect, use your time wizardry to make sense of these sentences.
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