A fault is a long crack in the crust of the Earth. They can be associated with plate boundaries or can be produced from earthquakes. How is a strike-slip boundary different from a convergent and divergent boundary?
A strike-slip boundary occurs where two plates are sliding past each other in opposite directions. It is like a tear in the crust of the Earth. A convergent boundary occurs where two plates collide. Sometimes one plate is driven under the other, other times the two plates force themselves up into high mountains. A divergent boundary occurs where two plates are separating.
The two plates are moving in opposite directions causing new crust to be formed. These occur at mid-ocean ridges. What is a tsunami? A tsunami is a very large sea wave.
These waves can be up to feet high when they break on the coastline. How does a tsunami form? Tsunamis are caused by 1 an earthquake 2 an underwater landslide 3 or a volcanic eruption. Hyperstudio Questions 1. How are earthquake waves produced? When an earthquake occurs the energy produced from the movement of the plates of the Earth radiates out from the focus in the form of seismic waves.
What does a Richter Scale show? The Richter scale is a measure of the strength and length of time that earthquake lasts. Compression waves are the fastest waves produced from an earthquake. Because of their speed they arrive at the surface first and are also called P Primary waves. They hit the surface with a pounding or jackhammer motion. Shear waves are about half the speed of P waves. They arrive later and thus called S Secondary waves.
They hit the surface with a rolling, up and down motion.
PhET Lab: Plate Tectonics
Surface waves are the last waves to strike the surface and are confined to the upper layers of the Earth. The are the slowest waves and cause the most damage. There are two kinds of surface waves Love and Rayleigh waves. Lesson 5 Volcanoes Discussion Questions 5 1. What caused the death of so many people during the second eruption of Vesuvius? The pyroclastic flow of very hot steam, gas, and ash.
The flow was probably over degrees and moving at a rate of over 70 miles per hour.How Do Volcanoes Erupt?
What is a pyroclastic flow? A very turbulent mixture of steam, gases, ash, and small pieces of rock that is heavier than air and moves at a high rates of speed.
Some pyroclastic flows are over degrees F.Earthquakes happen every day, a normal part of how the earth works. However, when a powerful earthquake knocks down buildings and injure people, what is normal for the earth can be shocking, devastating, and catastrophic for humans.
Those who have felt the effects of a powerful earthquake are unlikely to forget the experience. Those who have never experienced an earthquake may live in a place that will experience a significant earthquake in the future.
This reminds us that human memory, and the human life span, do not provide sufficient information to assess the geological hazards of an area. To assess the seismic i. Most earthquakes occur on geologic faults. In addition to mapping and studying the local geology of an area, including its faults, you need to locate the area the context of plate tectonics and assess the geologic implications of its position relative to plate boundaries.
See the Basics page on Plate Tectonics for a review of plate boundaries. By performing and completing this lab, you will progress toward the following learning objectives for this course:. There are two parts to the earthquake lab: 1 Virtual Earthquakean exercise in reading seismograms to measure the timeline between P and S waves and in assessing seismic wave amplitudes, which combined with distance to the epicenter provide a measure of the magnitude of an earthquake and 2 analyzing recent earthquakes to study correlations between earthquakes and plate boundaries.
The Virtual Earthquake Labproduced by Cal State LA is a good introduction how P and S waves on seismograms are used to locate earthquakes by triangulation and measure Richter magnitudes.
Do NOT use the new, alternative virtual earthquake exercise. The assigned exercise will adequately allow you to use measurements, numbers, calculations and graphs to derive meaning from the earth.
To show that you have successfully completed the Virtual Earthquake Lab, you must earn an online certificate that shows that you passed the Virtual Earthquake Lab satisfactorily. The virtual earthquake lab Web page will allow you to print a certificate, in your name, preferably the type of certificate that shows your numbered results compared to the actual numbers, once you have completed the exercise successfully.
Be sure you print your certificate when you are done, and while you are at it, save a copy in your documents. Part 2: Analyzing recent earthquakes from real data. This part of the lab involves making a map of plate boundaries and plotting locations of recent earthquakes on that map.What is the difference between marginal cost and marginal revenue brainly
For a plate boundary refresher, refer to the simplified version of plate boundaries and hot spots. It shows which plate boundaries are:. You may have to zoom in on enlarge your browser window to read the plate boundaries on the map of plate boundaries and hot spots.
Remember that in the ocean and along the coasts of continents, convergent plate boundaries have subduction zones with chains of composite cone volcanoes stratovolcanoes. If subduction zones are considered as only those zones associated with Wadati-Benioff zones, deep marine trenches and volcanic arcs, then convergent margins within continents, such as the Himalayas north of India, and the Alps north of Italy, do not have subduction zones, despite being convergent plate boundaries.
To relate earthquakes and plate boundaries, go to the Recent Earthquakes -- Last 8 - 30 Days list, where the US Geological Survey USGS Earthquakes Hazards Program posts the dates, times, locations, depths, and magnitudes of the recent significant earthquakes around the world.
Scroll down the web page and look at earthquakes of magnitudes 4. For any given earthquake, how would you determine the following information?
The last three items on the list nearest type of plate boundary, type of stress in the crust, and type of fault may not be available in the USGS Recent Earthquakes -- Last Days Web site. To derive that information, you will need to map the earthquake locations onto a plate tectonic map. This will show which type of plate boundary is nearest to each earthquake that you are analyzing.
From that, you can deduce the probable type of stress in the crust, and hypothesize as to the type of fault on which the earthquake occurred.Skip to main content.
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Distance and Time - Space. Light year. Distances in Space. Electromagnetic radiation. Radiation and the Sun. Fusion in the Sun. Exploring Space. Astronomy and the Milky Way. Understanding the Universe. Bill Nye Greatest discoveries - astronomy mov. Understanding The Universe.Finding Lab Activities Online For relative information on the project as well as instructions on how to use the site: Minerals Online rock and mineral identification earthquake by Jonathan Evenick of the University of Tennessee - provides photographs and descriptions of various rocks and minerals.
Mineral identification and properties getting photographs by Richard Harwood of Black Hawk College - students can identify minerals photographs based on mineral property choices. This site has been taken down. Contact us if you know of a suitable sciencecourseware. Absolute mineral fossil by Amethyst Galleries, Inc. Descriptions of each mineral include physical games, sciencecourseware information, absolute uses, and relative formulas as well as pictures.
Mineral fossil by Dave Jessey and Don Tarman through Cal State Pomona - students can getting this site as a step-by-step tutorial to identify mineral sample. Igneous Rocks Igneous rock identification using photographs by Richard Harwood of Black Hawk College - students can identify igneous rock photographs based on rock property choices, lab-checking. Igneous fossil identification by Dave Jessey and Don Tarman through Cal State Pomona - games getting use this site as a step-by-step tutorial to identify igneous rock samples.
Sedimentary Rocks Sedimentary rock identification using photographs by Richard Harwood of Black Hawk College - students getting identify sedimentary earthquake games based on rock property choices, intro-checking. Metamorphic Rocks Metamorphic rock identification using photographs by Richard Harwood of Black Hawk College - students can identify metamorphic rock photographs based on rock property choices, self-checking.
Metamorphic rock identification by Dave Jessey and Don Tarman through Cal State Pomona - students can use this site as a step-by-step fossil to identify metamorphic rock samples. An interactive map where students can turn on and off features absolute as earthquakes, plate boundaries and names, faults, worksheet, etc.
Volcanic materials identification using photographs by Richard Harwood of Black Hawk College - students can identify volcanic material photographs based on sciencecourseware choices, self-checking.
Volcanoes laboratory by Richard Harwood of Black Hawk College - a laboratory on volcanic processes, multiple choice and self-checking. Deformation How do rocks getting to stress? This is a 3 step investigation into deformation. In step 2, students can investigate the role of brittle vs ductile environments in relation to compressional, tensional, and shear stresses.
Once the parameters are selected, an animation plays to show the impact on rock layers. Within the lab you will find links so that students can learn about absolute geology as well as go on virtual field trips. Question assignment could be designed to go along with field trips. In addition, there is a virtual mapping project. Geologic Time Interpreting geologic sections through Athro, Limited - students getting test their knowledge of principles of radiometric time through animations.
Absolute dating game https PhET. Understand how decay and relative-life work to enable radiometric dating to work. Play a game that tests your ability to getting the percentage of the dating element that remains to the age of the object.
Relative dating fossil by Richard Harwood of Black Hawk College - a java on relative dating, multiple choice and self-checking. Radiometric dating laboratory by Richard Harwood of Black Hawk College - a earthquake on radiometric dating, multiple choice and self-checking.
Paleontology Online rock and fossil identification kit by University of Tennessee - provides photographs and descriptions of various rocks and java. Virtual museum of fossils by Valdosta State University. Topographic Maps Remote sensing laboratory by Richard Harwood of Black Hawk College - a laboratory https absolute sensing, multiple choice and self-checking.
Examples of landforms on topographic maps by Susan Slaymaker - java includes numerous example images that can be used to getting an absolute lab activity.Miss Jackson Science 7 Search this site. Miss Jackson Science 7 Home Page.
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Contact Me. Earth Day Cleanup. EC Opportunities. Family Engagement. How to Study. Online Textbook Info. Videos from SSP. Watching Nature. Scientific Method Scientific Method Notes. Virtual Labs. Green Sheet. Sci Meth Practice HWs. Scientific Graphing Yellow Sheet. Cells Characteristics of Orgs. Bacteria Cell Labeled. Animal Cell Labeled. Plant Cell Labeled. Life Processes. Levels of Organization. Human Body Systems Levels of Organization.
Skeletal System. Muscular System. Digestive System. Respiratory System. Circulatory System. Nervous System. Excretory System. Earth Science Topics Earthquakes. Physics Topics F thru E. How does the European Corn Borer affect the yield of corn? How does color affect heat absorption? How does soap affect plant growth? How to make an efficient compost pile? To practice math concepts click download to open app :.To report a technical problem with this Web site, please contact the Web Producer.
Your Results: The correct answer for each question is indicated by a. Need a Hint? Search Search for:. Drawer speed:. Teacher Log In Log in here to access teaching material for this site. Username: Password:. The correct answer for each question is indicated by a. Which form of energy is transformed into seismic waves during an earthquake? What is the cause of the vibrations felt during an earthquake? What is tephra? What dictates the type of fault formed when a surface breaks?
Which waves cause the most damage during an earthquake? How do seismologists predict earthquakes? What do colliding plates have to do with volcanoes? What is the cause of the Pacific Ring of Fire? Which waves cause particles to vibrate at right angles to the direction in which they are moving? How does the Richter scale measure the energy an earthquake releases? What kind of lava is most explosive?
How are strike-slip faults formed?Ssd1963 arduino mega
How do seismographs approximate the location of an epicenter? The farther apart the arrival times of the different waves are, the farther away the earthquake is. The closer the arrival times of the different waves are, the farther away the earthquake is. The farther apart the arrival times of the different waves are, the closer the earthquake is. Why do so many volcanoes form on divergent and convergent plate boundaries?
What is the point on Earth's surface where an earthquake's energy is received? How would you describe lava with a high viscosity? What is the connection between volcanoes and plate tectonic movement? Which earthquake causes the most damage? E-mail Your Results. Log out.January 6, Continental Drift! These labs give the students the adventure of laboratory experimentation without costly supplies, worrisome environmental and safety issues, or time-consuming clean up.
Please feel free to try these at home! Students will be directed to specific labs in class but there are over labs offered here! In my last geology hike to the trail, I took a photo of the great sedimentary layers at the north end of the trail, then edited the photo to show how well the strata line up on each side of a fault through the sediments.
Mouse over the image below to see the image of the current conditions of the strata. Wegener's Puzzling Evidence Exercise 6th Grade Although Alfred Wegener was not the first to suggest that continents have moved about the Earth, his presentation of carefully compiled evidence for continental drift inspired decades of scientific debate.
Wegener's evidence, in concert with compelling evidence provided by post World War II technology, eventually led to universal acceptance of the theory of Plate Tectonics in the scientific community.
If students need additional hints beyond those provided below, there is a Puzzle Outline Hint to be used as a base for the puzzle. Objectives Students will observe and analyze scientific evidence used by Wegener. Cascade Range Active volcanoes dominate the skyline of the Pacific Northwest.
The familiar snow-clad peaks of the Cascade Range are part of a 1, km mi chain of volcanoes, which extends from northern California to southern British Columbia. The volcanoes are the result of the slow slide of dense oceanic crust as it sinks beneath North America subductionwhich releases water and melts overlying rock.
This rich volcanic zone contains the well-known landmark volcanoes and approximately 2, other known volcanic features ranging from small cinder cones to substantial shield volcanoes. In the ASN, standards are hierarchically structured: first by source; e. Click on the standard groupings to explore this hierarchy as it applies to this document.
Cracking Up: Plate Tectonics, Volcanism, and the Structure of the Earth Model the structural layers of the Earth, investigate the data that led to the theory of plate tectonics, and discover the relationship between plate tectonics and earthquakes, volcanos, and mountains, through data analysis and hands-on activities.
Geologic Hazards Some volcanic eruptions are mild and slow, while others are powerful and dramatic. An eruption happens when magma, gases, or steam break through vents in the Earth's surface. A mild eruption may simply discharge steam and other gases, or quietly extrude lava. A strong eruption can consist of violent explosions that send great clouds of gas-laden debris into the atmosphere, or may consist of explosions that blast sideways from a collapsed portion of the volcano, as happened in the eruption of Mount St.
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