What is Seafloor Spreading?

The model below shows two pieces of oceanic crust and seafloor spreading is taking place. Use the image to answer the following questions.
NGSS Phenomena: Two Oceanic plates moving away from each other, with magma in between them.

1. What type of plate boundary is shown in the picture above?

2. Draw a circle to label the MID-OCEAN RIDGE in the below image.

Color

Width

3. Label the OLDEST ROCKS in the below image above by writing “OLD” next to the oldest rocks.

Color

Width

4. Label the YOUNGEST ROCKS in the image below by writing “YOUNG” next to the youngest rocks.

Color

Width

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This multiple choice question aligns to the following standards

  • ESS1.C: The History of Planet Earth

  • ESS2.A: Earth’s Materials and Systems

  • MS-ESS2-1

This drawing question aligns to the following standards

  • ESS1.C: The History of Planet Earth

  • ESS2.A: Earth’s Materials and Systems

  • Stability and Change

  • MS-ESS2-1

  • Developing and Using Models

This drawing question aligns to the following standards

  • ESS1.C: The History of Planet Earth

  • ESS2.A: Earth’s Materials and Systems

  • MS-ESS2-1

  • Developing and Using Models

This drawing question aligns to the following standards

  • ESS2.A: Earth’s Materials and Systems

  • MS-ESS2-1

  • Developing and Using Models

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