Earthquakes and Volcanoes: Teacher Notes

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Questions and Answers

Which of the following best describes the term 'refresh' in the context of computer operations?

To revert a computer system to its factory settings.
To update the content displayed on a screen or in memory with the latest information. (correct)
To permanently erase all data from a storage device.
To physically clean the internal components of a computer.

In the context of the provided content, what is the purpose of the element with the class `.3D"punch-viewer-navbar-menu-vertical"`?

It triggers a full-screen refresh of the viewing content.
It represents a vertical menu within the punch viewer's navigation bar. (correct)
It manages user authentication for accessing restricted content.
It defines a horizontal menu bar for viewer options.

What does the `aria-haspopup="3D"true"` attribute indicate about an HTML element?

The element has a pre-defined animation effect.
The element contains sensitive user data.
The element is used to display mathematical formulas.
The element is associated with a pop-up window or menu. (correct)

What is the likely function of the element with the class name `.3D"goog-menuitem-label"`?

It displays the text label for a menu item. (D) Signup and view all the answers

Consider the attribute `style="3D"user-select: none;"`. What is its expected effect on the element it's applied to?

It prevents the user from selecting the text within the element. (D) Signup and view all the answers

When encountering a persistent issue with slides failing to load in a presentation, what is the most appropriate initial troubleshooting step?

Reload the presentation to refresh the connection and retry loading the slides. (D) Signup and view all the answers

In a scenario where certain interactive elements within a slide are not functioning as expected, which approach would be most effective for diagnosing the problem?

Examine the script or code associated with the interactive elements for errors or compatibility issues. (B) Signup and view all the answers

If a presentation consistently displays a 'load error' message, even after multiple reloads, what is the next logical step to investigate?

Check the internet connection to ensure it is stable and meets the platform's requirements. (C) Signup and view all the answers

After performing a 'Shift+A' command intended to erase all annotations on a slide, but some annotations persist, what is the most likely reason?

The 'Shift+A' command is only effective on certain types of annotations. (C) Signup and view all the answers

A user reports that the 'Erase all' function in a presentation tool isn't working as expected. Which of these is the LEAST likely cause of the problem?

The user has not properly selected the annotations that need to be cleared before attempting to erase. (A) Signup and view all the answers

Which of the following factors most directly influences the magnitude of an earthquake?

The length of the fault that ruptures. (C) Signup and view all the answers

What is the primary difference between the focus and the epicenter of an earthquake?

The focus is the actual origin point of the earthquake within the Earth, and the epicenter is the point on the Earth's surface directly above it. (A) Signup and view all the answers

Which type of seismic wave typically causes the most damage to buildings during an earthquake?

Surface waves (C) Signup and view all the answers

In what plate tectonic setting are you most likely to find composite volcanoes?

Subduction zones (D) Signup and view all the answers

Which of the following volcanic hazards is typically the most widespread and poses the greatest risk to human health during an eruption?

Ashfall (A) Signup and view all the answers

What role do volatiles (e.g., water vapor, carbon dioxide) play in volcanic eruptions?

They increase the explosiveness of eruptions by increasing pressure within the magma. (B) Signup and view all the answers

Which of the following best describes the relationship between the viscosity of magma and the explosivity of a volcanic eruption?

High viscosity magma tends to produce more explosive eruptions. (A) Signup and view all the answers

How do scientists primarily use seismic waves to understand the Earth's internal structure?

By analyzing their reflection and refraction patterns as they pass through different layers. (C) Signup and view all the answers

Why are tsunamis often associated with subduction zones?

The earthquakes at subduction zones can cause large vertical displacement of the seafloor, generating tsunamis. (D) Signup and view all the answers

Which of the following statements accurately describes the relationship between plate tectonics, earthquakes, and volcanoes?

Plate tectonics is the driving force behind most earthquakes and volcanoes, which occur predominantly at plate boundaries. (C) Signup and view all the answers

How do the tectonic settings of shield volcanoes and stratovolcanoes generally differ?

Shield volcanoes are associated with hotspots and divergent boundaries; stratovolcanoes are associated with subduction zones. (B) Signup and view all the answers

Which of the following is a significant difference between P-waves and S-waves?

P-waves can travel through solids and liquids, while S-waves can only travel through solids. (D) Signup and view all the answers

What is a lahar, and what conditions are conducive to its formation?

A mudflow composed of volcanic ash and debris mixed with water, often triggered by rainfall or melting snow/ice. (A) Signup and view all the answers

How does the Ring of Fire relate to the distribution of earthquakes and volcanoes?

It's a zone of intense earthquake and volcanic activity encircling the Pacific Ocean due to the abundance of subduction zones. (C) Signup and view all the answers

If a seismograph detects P-waves but not S-waves from a distant earthquake, what can be inferred about the materials the seismic waves traveled through?

The waves passed through a liquid layer within the Earth. (C) Signup and view all the answers

Flashcards

What does 'reload' mean?

To load a webpage again, often to get the latest version.

What is a tooltip?

A small popup providing extra info when hovering over an element.