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Results 31 - 40 of 155 for 'seismic waves' <<  1 2 3 4 5 6 7 8  >>
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This tutorial instructs students on how to create simulations of P- and S-waves by using simple materials; a Slinky toy and a length of rope. Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity
Subject: Geophysics
 
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Earthquake Education Environment    Browse collection
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Danish seismologist Inge Lehmann used seismic signals to study the thousands of earthquakes that occur every year and offer a brief glimpse of what is happening deep inside the Earth. This article profiles a pioneer among women and scientists. It provides an overview of the P-waves and S-waves found in seismic signals and why they are important to our understanding of the Earth's interior, the educational ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Geology, Geophysics
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This website contains class notes from part of a Geology 101 (physical geology) course. It describes the Richter scale, and how it measures the magnitude of an earthquake by expressing the seismic energy released. The site discusses the properties of seismic waves, mathematical equations used to help determine magnitude, and how seismographs work. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Ref. material
Subject: Geophysics, Mathematics
 
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This textual reference describes the history of seismographs, including how they work, as well as seismic waves, travel-time curves, and phase nomenclature. Full description.
Grade level: General public
Resource type: Index / Bibliography, Ref. material
Subject: Geophysics, Technology
 
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These demonstrations are designed to help students develop a conceptual understanding of geophysical principles. The concepts covered in these demonstrations include rheology, seismic waves, reflection, standing waves, velocity, earthquakes, Earth density, magnetic field, resonance, precession, the shadow zone, and Curie temperature. Each demonstration provides background information and a complete ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Presentation / Demo
Subject: Geophysics
 
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This demonstration of how seismic waves reflect when they encounter a change in rigidity or incompressibility requires a helper to hold one end of a stretched-out slinky as stiffly as possible. The helper represents a material with a much greater rigidity than the slinky; waves can then be sent and reflected along the slinky. The site also discusses a demonstration of reflection from a less rigid ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Presentation / Demo
Subject: Geophysics
 
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National Science Education Standards (NSES): Read
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In this activity, students examine a seismogram display called a seismic record section in which each trace is a seismogram recorded at a specific seismograph station. The seismograms are plotted according to the distance (in degrees, geocentric angle) from the earthquake location and time from the earthquake origin. The traces are of the vertical component of ground motion, and have been filtered ... Full description.
Grade level: High (9-12)
Resource type: Problem set
Subject: Geophysics
 
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National Science Education Standards (NSES): Read
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After giving the cause and an example of slippage along a transform fault, this site goes on to define the focus and epicenter and discuss seismic waves, including the primary (P), secondary or shear (S), and surface waves such as the Love (L) and Rayleigh waves. It provides information about detecting waves with a seismograph, comparing the waves on a seismogram and measuring the magnitude on the ... Full description.
Grade level: Middle (6-8)
Resource type: Tutorial
Subject: Geology, Geophysics, Natural hazards
 
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National Science Education Standards (NSES): Read
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This brief tutorial and activity will provide younger students with some idea how earthquakes occur. The text explains how strain builds up along a fault until the rock breaks, releasing energy in the form of seismic waves. This concept is reinforced by a simple experiment in which the students break a foam rubber block in half and then try to slide the broken halves past each other. Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Classroom activity, Tutorial
Subject: Geology
 
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This lesson discusses the interior structure of the earth as defined by research on the behavior of seismic waves as they move through the layers inside of the planet. The lesson details both compositional layers as well as mechanical layers. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Module / Unit
Subject: Geology
 
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Results 31 - 40 of 155 for 'seismic waves' <<  1 2 3 4 5 6 7 8  >>