landforms
Places on the Planet: Latitude and Longitude
Citizen scientists involved in the Geological Society of America's EarthCaching project (http://www.earthcache.org) use GPS technology and latitude and longitude coordinates to find special places on the Earth. This activity will help you learn how to find locations using latitude and longitude.
Sinkholes in a Cup
In this activity, learn how sinkhole formations in rocks form and the danger they pose to communities.
The Slope of Land in Your Community
The slope of the land and the materials under ground must be considered when planning how to build on the land in a community to lessen landslide risk. Changing the slope of the land (or even the amount of vegetation on a slope) can have dangerous consequences. This activity will introduce you into thinking critically about the land in your area!
Traveling Nitrogen
Nitrogen is an element that is found both in living things and the nonliving parts of the Earth system. In this classroom activity, students play the role of nitrogen atoms traveling through the nitrogen cycle to gain understanding of the varied pathways through the cycle and how nitrogen is relevant to living things.
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.
Watch Out for Landslides
Landslides not only are dangerous — causing on average more than 25 deaths and over $1 billion in damages a year — but are also widespread, occurring in all 50 states. Compounding the hazards, these natural disasters often occur along with other similar natural phenomena, such as floods or earthquakes.
To minimize risk, the slope of land and materials underground must be considered when planning how to build in a community. Altering the slope of land, or even the amount of vegetation on a slope, can have dangerous consequences.
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