Paleoclimate of the Hudson Valley

Ice core samples give scientists access to climates of old—those from more than 800,000 years ago. Through an analysis of various temperature graphs from ice cores, tree rings, and weather stations, scholars compare historical climates...

Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...

Students examine a potential asteroid impact site. They describe evidence and theories for extinction events.

Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...

Although Dimitri Mendeleev developed the periodic table in 1871, there have been many changes and discoveries since. A video lesson presents the contributions of two prominent women chemists: Maire Curie and Ida Tacke. The narrator...

Earth's climate changed drastically throughout the history of the planet, so why do scientists blame humans for recent changes? Observe data covering the history of the planet that proves the natural climate change patterns. Then, learn...

University of Maine paleoclimatologist scientists are working to reconstruct the climate history of this area over the last thousand years. They're researching the relationship between the temperatures and precipitation rates, and the...

Pupils act as dendrochonologists working to reconstruct a 50 year climatic history. They make a personal timeline.