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Interactive, Historical Weather Charts. 

world's greatest landmarks, national parks, and historical significance. In addition they are virtual eyes that allow students to study animal behavior patterns and habitats.

NASA has an excellent interactive timeline tracing the history of astronomy and space exploration from the Greek philosophers through  the current day. Planet Quest is actually three timelines combined into one. The three timelines cover technology, discovery, and culture as it relates to astronomy and space exploration. Each element on the timeline is narrated. Users can select individual elements on the timeline or choose autoplay to hear the narration of each item in sequence.