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9-12 20 high school 20 6-8 17 middle school 17 elementary school 15 k-3 15 k-5 geosource 15 more ...
9-12 20 high school 20 6-8 17 middle school 17 elementary school 15 k-3 15 k-5 geosource 15 more ...
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"This hands-on activity requires students to """"visit"""" different K-T boundary sites, evaluate the evidence at each site, find these sites on a map, and predict where the crater is located. It tests a diverse set of skills, including mapping, mathematical scaling, and interpretation of mixed...
Grade Level
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Classroom Activities
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Current consumption of fossil fuel releases more than 25 billion tons of CO2 into the atmosphere every year. If current trends continue, there will be a tripling of atmospheric CO2 by the end of the century—levels not seen for more than 40 million years. By measuring our carbon footprint, we can...
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Earth's climate is a complex system controlled by many factors. This Click and Learn will examine the two most important factors: solar radiation and the composition of Earth's atmosphere.
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Plate tectonics is the unifying theory of Earth science and explains many of the major features of how our planet operates. It accounts for Earth's history including the distribution of life and past climate change.
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African rift valleys were formed by the separation of tectonic plates. Water flows down to the valley floors, creating rivers and lakes.
Grade Level
10
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Teaching Media
Videos or Animations
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Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.
Grade Level
9
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Teaching Media
Videos or Animations
7
The disappearance of the dinosaurs at the end of the Cretaceous period posed one of the greatest, long-standing scientific mysteries. This three-act film tells the story of the extraordinary detective work that solved it. Shot on location in Italy, Spain, Texas, Colorado, and North Dakota, the film...
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CO2 emitted by volcanoes into the atmosphere is removed by a series of chemical reactions related to rock weathering.
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An early continental drift model proposed that mantle convection can produce continental movement and new plate formation.
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Sunlight that warms Earth is re-emitted as infrared radiation, which is absorbed by greenhouse gases and causes further warming.
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Today, oxygen, or O2, makes up about 21% of Earth's atmosphere, but for most of our planet's long history, O2 levels in the atmosphere and dissolved in the ocean were much less than they are today. In this Click and Learn, you will learn the complex biological and geological factors that have...
Grade Level
K
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Reconstructing past continental plate movements reveals the island of Spitsbergen was tropical 500 million years ago.
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Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth's climate in the distant past tell us about the future? Andrew H. Knoll of Harvard University, Naomi Oreskes of the University of California, San Diego, and Daniel P. Schrag of Harvard University guide...
Grade Level
K
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The breakup of a supercontinent into several smaller continents explains the distribution of fossil and geologic evidence.
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An early model of continental drift proposed that parts of continental plates can sink into the mantle, allowing for movement.
Grade Level
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Videos or Animations
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The record of life on Earth stretches over 3 billion years. Deep time and Earth history are keys to understanding the present. The record of life on Earth stretches over 3 billion years, with evidence ranging from chemical signatures in rocks and ancient biological molecules to fossils of colossal...
Grade Level
6
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Teaching Media
Videos or Animations
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Arctic sea ice melted on an unprecedented scale in 2012, opening up the fabled Northwest and Northeast passages.
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Fossilized dung beetle balls are part of a comprehensive fossil collection project to reconstruct the habitat of Ardipithecus ramidus.
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K
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These are some of the animal species Charles Darwin would have seen when he visited the Galapagos Islands.
Grade Level
K
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Howard Hughes Medical Institute (HHMI) has launched a Spanish version of its award-winning website BioInteractive, which offers multi-media resources for high school and undergraduate biology, anatomy and physiology, Earth science, and environmental science educators. The site represents more than...
Grade Level
9
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Classroom Activities
Curricula and Instruction