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Discover Plate Boundaries and Earthquake Waves: A Kid's Guide

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Miranda M.

5/24/2023

Earth and Space Science

Earth Science: Tectonic Plates

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Earth and Space Science

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Plate Tectonics

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Plate Tectonics

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Plate Tectonics and the Ocean Floor

Discover Plate Boundaries and Earthquake Waves: A Kid's Guide

This transcript covers key concepts in plate tectonics, seismic waves, and Earth's structure. It provides a comprehensive review of Pangea tectonic plate boundaries, seismic wave behavior and Earth's layers, and earthquake epicenter determination methods. The material is presented in a format suitable for student revision, with important terms and concepts highlighted.

• The document covers the formation of Pangea, types of plate boundaries, and characteristics of continental and oceanic crust.
• It explains seismic wave types, their behavior through Earth's layers, and methods for determining earthquake epicenters.
• The review sheet also touches on convection currents, Earth's interior structure, and the relationship between plate boundaries and geological events.
• Key calculations and concepts for understanding earthquakes and seismic activity are summarized.

...

5/24/2023

57

Miranda Mangru Tectonic Plates Review Sheet • All continents fit together like a puzzle to make Pangea. Continential Crust - thicker and les

View

Seismic Waves and Earth's Interior

This page delves deeper into seismic waves and their behavior as they travel through Earth's interior. It also covers the concept of convection cells and provides practical information on interpreting seismograms.

Definition: Convection cells are the circular patterns that form in liquids and gases as a result of changes in temperature and density.

The page explains that S waves are absorbed in the outer core and refracted in the mantle. This behavior of seismic waves provides crucial information about Earth's internal structure.

Example: You can determine the closest seismogram to the epicenter based on the shortest time difference between P and S waves, and the arrival of P-waves first.

The page provides guidance on when to use the ES Epicenter−StationEpicenter-Station slide rule:

  1. When finding the epicenter distance given the time difference between P and S waves.
  2. When finding the epicenter distance given the arrival times of P and S waves.

Highlight: An earthquake produces waves, not the other way around. This is a crucial concept to understand in earth science.

The page also covers important concepts for exams:

  • No P-waves or S-waves are received in the shadow zone because P-waves are refracted and S-waves are absorbed by Earth's core.
  • Earth's interior has been classified into zones crust,mantle,outercore,andinnercorecrust, mantle, outer core, and inner core based on evidence from earthquake seismic waves.
Miranda Mangru Tectonic Plates Review Sheet • All continents fit together like a puzzle to make Pangea. Continential Crust - thicker and les

View

Earthquakes, Plate Boundaries, and Wave Characteristics

This final page focuses on the relationship between earthquakes, plate boundaries, and the characteristics of different types of seismic waves. It also provides practical information on earthquake calculations.

Highlight: Most earthquakes are concentrated in zones along plate boundaries. Volcanoes and earthquakes occur at all plate boundaries.

The page reiterates the differences between oceanic and continental crust:

  • Oceanic crust is more dense and made of basalt
  • Continental crust is less dense and made of granite

It then describes the motion of different seismic waves:

Vocabulary:

  • S-waves move side to side
  • P-waves' motion is a push and pull

The page provides a step-by-step guide for earthquake calculations:

  1. Calculate P-wave and S-wave travel time if given epicenter distance
  2. Calculate epicenter distance if given P and S wave travel time
  3. Calculate the difference in arrival times between P and S waves

Definition: The asthenosphere is the plastic mantle layer, which allows for movement of tectonic plates.

This information is crucial for understanding the difference between convection currents and seismic wave behavior. While convection currents in the mantle drive plate tectonics, seismic waves provide information about Earth's internal structure and help locate earthquake epicenters.

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Subjects

Earth and Space Science

Plate Tectonics

Plate Tectonics

Plate Tectonics and the Ocean Floor

 

Earth and Space Science

•

57

•

May 24, 2023

•

3 pages

Discover Plate Boundaries and Earthquake Waves: A Kid's Guide

user profile picture

Miranda M.

@scarmira1

This transcript covers key concepts in plate tectonics, seismic waves, and Earth's structure. It provides a comprehensive review of Pangea tectonic plate boundaries, seismic wave behavior and Earth's layers, and earthquake epicenter determination methods. The material is... Show more

Miranda Mangru Tectonic Plates Review Sheet • All continents fit together like a puzzle to make Pangea. Continential Crust - thicker and les

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Seismic Waves and Earth's Interior

This page delves deeper into seismic waves and their behavior as they travel through Earth's interior. It also covers the concept of convection cells and provides practical information on interpreting seismograms.

Definition: Convection cells are the circular patterns that form in liquids and gases as a result of changes in temperature and density.

The page explains that S waves are absorbed in the outer core and refracted in the mantle. This behavior of seismic waves provides crucial information about Earth's internal structure.

Example: You can determine the closest seismogram to the epicenter based on the shortest time difference between P and S waves, and the arrival of P-waves first.

The page provides guidance on when to use the ES Epicenter−StationEpicenter-Station slide rule:

  1. When finding the epicenter distance given the time difference between P and S waves.
  2. When finding the epicenter distance given the arrival times of P and S waves.

Highlight: An earthquake produces waves, not the other way around. This is a crucial concept to understand in earth science.

The page also covers important concepts for exams:

  • No P-waves or S-waves are received in the shadow zone because P-waves are refracted and S-waves are absorbed by Earth's core.
  • Earth's interior has been classified into zones crust,mantle,outercore,andinnercorecrust, mantle, outer core, and inner core based on evidence from earthquake seismic waves.
Miranda Mangru Tectonic Plates Review Sheet • All continents fit together like a puzzle to make Pangea. Continential Crust - thicker and les

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Earthquakes, Plate Boundaries, and Wave Characteristics

This final page focuses on the relationship between earthquakes, plate boundaries, and the characteristics of different types of seismic waves. It also provides practical information on earthquake calculations.

Highlight: Most earthquakes are concentrated in zones along plate boundaries. Volcanoes and earthquakes occur at all plate boundaries.

The page reiterates the differences between oceanic and continental crust:

  • Oceanic crust is more dense and made of basalt
  • Continental crust is less dense and made of granite

It then describes the motion of different seismic waves:

Vocabulary:

  • S-waves move side to side
  • P-waves' motion is a push and pull

The page provides a step-by-step guide for earthquake calculations:

  1. Calculate P-wave and S-wave travel time if given epicenter distance
  2. Calculate epicenter distance if given P and S wave travel time
  3. Calculate the difference in arrival times between P and S waves

Definition: The asthenosphere is the plastic mantle layer, which allows for movement of tectonic plates.

This information is crucial for understanding the difference between convection currents and seismic wave behavior. While convection currents in the mantle drive plate tectonics, seismic waves provide information about Earth's internal structure and help locate earthquake epicenters.

Miranda Mangru Tectonic Plates Review Sheet • All continents fit together like a puzzle to make Pangea. Continential Crust - thicker and les

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Tectonic Plates and Continental Drift

This page introduces the concept of tectonic plates and their role in shaping Earth's surface. It covers the formation of Pangea, the characteristics of continental and oceanic crust, and the three main types of plate boundaries.

Definition: Pangea was the supercontinent that existed approximately 300 million years ago, where all continents fit together like a puzzle.

The page explains the differences between continental and oceanic crust, highlighting that continental crust is thicker and less dense, while oceanic crust is thinner and more dense. It then introduces the three types of plate boundaries:

  1. Transform plate boundary: Where plates slide past one another.
  2. Divergent plate boundaries: Where plates move away from each other.
  3. Convergent plate boundary: Where plates collide.

Highlight: As the distance from the mid-ocean ridge increases, the age of the rock also increases. This is crucial evidence for seafloor spreading.

The page also touches on the concept of magnetic patterns on either side of mid-ocean ridges, which mirror each other and provide further evidence for plate tectonics.

Lastly, it introduces different types of seismic waves:

Vocabulary:

  • P-waves: Travel through all materials
  • S-waves: Travel through solids only
  • Surface waves: Travel only on the surface

The page concludes by mentioning that three seismograph stations are needed to determine the location of an earthquake epicenter and introduces the concept of convection currents in the mantle.

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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

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Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

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This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user