Where can I find good Earth Science Lessons?

Wicked Swimmer

New member
I am looking for somewhere I can learn the Earth Science material. The book I am using is Glencoe: Earth Science Geology, the Environment, and the Universe. I have searched all over and cannot find any lessons where I can learn the material. It doesn't matter if its a video or a written document. Specifically, right now I need information on hydrometers, barometers, and the dew point. Please and thank you!
 
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