Exploring Geoheritage From Space Activity Source: Adapted with permission by NASA. Great images of geoheritage sites can be found everywhere. But no one holding a camera on Earth can “back away” far enough to get the extraordinary perspective captured by NASA satellites. In celebration of Earth Science Week 2016, NASA’s Earth Observatory has created a special collection of images and articles showcasing geoheritage sites in America’s National Parks. Two such sites are Yellowstone National Park (Wyoming/Montana/Idaho) and Hot Springs National Park (Arkansas). [Read More]

Exploring Geoheritage Through EarthCaching Activity Source: Adapted with permission by Geological Society of America. An EarthCache is a special site that people can visit to learn about a unique geoscience feature or aspect of our Earth. Visitors to EarthCache sites can see how our planet has been shaped by geological processes, how we manage the resources and how scientists gather evidence to learn about the Earth. EarthCaches are part of the greater global adventure game of Geocaching. [Read More]

Predict the Flow Activity Source: NASA and AGI. Adapted with permission for the American Geophysical Union. Ever play with clay? Using a common modeling compound, you can form a “volcano” and examine its topography to predict which way lava will flow down its slopes. You could also investigate mud flows or debris flows. Materials 2 containers of modeling compound or clay Clear plastic bin Dark colored water (make sure that your modeling compound is a contrasting color from your water) Clear clipboard 2 transparencies and transparency marker Safety scissors Dish detergent Baking soda Vinegar Dropper Metric ruler Tiny plastic cup (about 2 oz. [Read More]

The Mountain Blows its Top Activity Source: USGS Learning Web Lesson Plans Background A volcano is a vent in the surface of the Earth through which magma and gasses erupt. Volcanic eruptions are among the Earth’s most powerful and destructive forces, but volcanoes are also creative. Volcanoes have also shaped the Earth’s landscape, as many of our mountains, islands, and plains have been built by volcanic eruptions. Mount St. Helens was one of the most powerful volcanic eruptions in recent memory. [Read More]

Tree Rings and Ancient Climatic Conditions Activity Source: Adapted with permission by Archaeological Institute of America. How do archaeologists learn about climatic conditions and their effects on people in the past? In 1815, Mount Tambora in Indonesia erupted so violently that the sound of the eruption could be heard 1,600 miles away. Gases from the volcano shot into the stratosphere almost six miles above the Earth’s surface and lingered for years. [Read More]

Visualizing terrain with maps Traditional geologic maps — sometimes crisscrossed with lines, blotted with colors, and marked with strike and dip symbols — have been used to depict the geologic makeup of the Earth for many years. New technologies such as satellite-enabled remote sensing are allowing geoscientists to create and use maps of greater richness and complexity than ever before. The chain of islands that makes up Hawaii was caused by a hot spot, an area where hot magma rose, broke through Earth’s crust, and formed volcanoes, at first below the ocean surface. [Read More]