Oceanic Crust: Definition, Composition & Facts

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

The average thickness of the oceanic crust is ______.

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1. Volcanic eruptions that produce flows of basalt tend to be more ______ than eruptions that produce igneous rock.

2. Mid-ocean ridges are places where ______.

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About This Quiz & Worksheet

This quiz and worksheet gauge your understanding of the oceanic crust and where and how it is formed. Topics you'll need to be familiar with include volcanic eruptions and magnetic fields and how they affect the crust.

Quiz & Worksheet Goals

Details that students will be tested on include:

  • Thickness of the oceanic crust
  • Differences in volcanic eruptions
  • Why oceanic crust sinks
  • Mid-ocean ridges
  • How to tell oceanic crust is moving

Skills Practiced

  • Reading comprehension - draw out the most important information from the corresponding lesson on the oceanic crust
  • Information recall - access your knowledge of facts about the crust, including width and density
  • Distinguishing differences - compare and contrast topics from the lesson, such as volcanic eruptions that produce basalt and eruptions that produce felsic igneous rock

Additional Learning

To learn more about this subject, check out the lesson Oceanic Crust: Definition, Composition & Facts. This lesson covers the following topics:

  • Composition of oceanic crust
  • Subduction and volcanoes
  • Magnetic anomalies
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