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Earthquake-Proof Homes
- New!
5 Minute Preview
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and...
Lesson Info Launch GizmoEarthquakes 1 - Recording Station
5 Minute Preview
Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and...
Lesson Info Launch GizmoEarthquakes 2 - Determination of Epicenter
5 Minute Preview
Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 -...
Lesson Info Launch GizmoPlate Tectonics
5 Minute Preview
Move the Earth's crust at various locations to observe the effects of the motion of the tectonic plates, including volcanic eruptions. Information about each of the major types of plate...
Lesson Info Launch GizmoConvection Cells
- New!
5 Minute Preview
Explore the causes of convection by heating liquid and observing the resulting motion. The location and intensity of the heat source (or sources) can be varied, as well as the viscosity of...
Lesson Info Launch GizmoBuilding Pangaea
5 Minute Preview
In 1915, Alfred Wegener proposed that all of Earth's continents were once joined in an ancient supercontinent he called Pangaea. Wegener's idea of moving continents led to the modern theory...
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Earthquake-Proof Homes
- New!
5 Minute Preview
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Try to arrive at a house design that results in the least damage.
Lesson Info Launch GizmoEarthquakes 1 - Recording Station
5 Minute Preview
Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and secondary seismic waves. Use this data to find the epicenter in the Earthquakes 2 - Location of Epicenter Gizmo.
Lesson Info Launch GizmoEarthquakes 2 - Determination of Epicenter
5 Minute Preview
Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each station.
Lesson Info Launch GizmoPlate Tectonics
5 Minute Preview
Move the Earth's crust at various locations to observe the effects of the motion of the tectonic plates, including volcanic eruptions. Information about each of the major types of plate boundaries is shown, along with their locations on Earth.
Lesson Info Launch GizmoConvection Cells
- New!
5 Minute Preview
Explore the causes of convection by heating liquid and observing the resulting motion. The location and intensity of the heat source (or sources) can be varied, as well as the viscosity of the liquid. Use a probe to measure temperature and density in different areas and observe the motion of molecules in the liquid. Then, explore real-world examples of convection cells in Earth's mantle, oceans, and atmosphere.
Lesson Info Launch GizmoBuilding Pangaea
5 Minute Preview
In 1915, Alfred Wegener proposed that all of Earth's continents were once joined in an ancient supercontinent he called Pangaea. Wegener's idea of moving continents led to the modern theory of plate tectonics. Create your own version of Pangaea by fitting Earth's landmasses together like puzzle pieces. Use evidence from fossils, rocks, and glaciers to refine your map.
Lesson Info Launch GizmoFind Your Solution
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