Seafloor Spreading: Theory & Definition


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Seafloor spreading occurs where two plates

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1. The earth's magnetic field played what role in establishing the existence of seafloor spreading?

2. The youngest basalt is found at mid-ocean ridges because

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About This Quiz & Worksheet

This quiz and worksheet can help you gauge your understanding of seafloor spreading and how it occurs. You will be quizzed on basalts and Earth's magnetic field.

Quiz & Worksheet Goals

Use this quiz and worksheet to check your understanding of the following:

  • Characteristics of basalts
  • Theory of seafloor spreading
  • Earth's magnetic field
  • How seafloor spreading occurs

Skills Practiced

Use these assessment tools to practice the following skills:

  • Information recall - access the knowledge you have gained regarding seafloor spreading
  • Knowledge application - use your knowledge to answer questions about Earth's magnetic field
  • Interpreting information - verify that you can read information regarding basalts and interpret it correctly

Additional Learning

To learn more, review the corresponding lesson titled Seafloor Spreading: Theory & Definition. This lesson will help you:

  • Define seafloor spreading
  • Learn who came up with the theory behind seafloor spreading
  • Identify different basalts
  • Understanding properties of seafloor magnetism
  • Define magnetic field reversals