A Changing Planet Answers

Analyze the image below and answer the question that follows. Image by Mats Halldin and Charles C. In the image above, the arrow is pointing to a layer of the Earth that is solid and extremely hot. Which of the Earth’s layers is the arrow pointing to?

Analyze the image below and answer the question that follows. Image by Mats Halldin and Charles C. In the image above, the arrow is pointing to the layer of the Earth that is made up of pieces called plates. Which of the Earth’s layers is the arrow pointing to?

Subduction happens when __________.

Analyze the image below and answer the question that follows. Image by Kieff The above image shows a supercontinent that is part of a theory by Alfred Wegener. This supercontinent is a part of the theory of __________.

The Earth’s plates are large pieces of the Earth’s __________.

After he observed that South America and Africa fit together like pieces of a puzzle, Alfred Wegener developed the theory of __________.

The San Andreas Fault is a region in California where two plates are sliding past each other. This makes it an example of a __________ boundary.

Use the information you learned in the Plate Tectonics activity to answer the following question. When an oceanic plate converges with a continental plate, __________.

Seafloor spreading and rift valleys occur at __________ boundaries.

Tectonic activity happens when changes to the Earth’s crust are caused by __________.