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PBS15 年

SciGirls | Blowin' in the Wind - Data Collection | Season 1 | PBS

The SciGirls collect wind speed data at two locations on a hill. This SciGirls video is a great example of data collection as the girls track wind speeds at two locations on a hill. This SciGirls ...
PBS15 年

PBS TEACHERS® OFFERS NEW COLLECTION OF RESOURCES FOR TEACHING CRITICAL ...

The Web site for the collection features a welcome introduction by PBS NOW's host and senior editor, David Brancaccio, encouraging teachers to make the study of economics a personal story.