A Changing Planet
After he observed that South America and Africa fit together like pieces of a puzzle, Alfred Wegener developed the theory of __________. A. continental drift B. plate tectonics C. tectonic activity D. the layers of the Earth
A
Analyze the image below and answer the question that follows. Image by e2020 At the type of plate boundary shown in the image above, two plates are sliding past each other. Which type of plate boundary is shown in this image? A. transform B. convergent C. divergent D. collision
A
Seafloor spreading and rift valleys occur at __________ boundaries. A. divergent B. convergent C. transform D. supercontinent
A
The Earth's plates are large pieces of the Earth's __________. A. crust B. mantle C. inner core D. outer core
A
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? A. the inner core B. the crust C. the outer core D. the mantle
B
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. A. colliding B. transform C. divergent D. convergent
B
Analyze the image below and answer the question that follows. Image courtesy of USGS At the type of plate boundary shown in the image above, two plates are colliding. Which type of plate boundary is shown in this image? A. divergent B. separating C. convergent D. transform
C
Which of the following land masses is an example of a supercontinent? A. North America B. Africa C. Antarctica D. Pangaea
D
Subduction happens when __________. A. two plates push each other up B. two plates push past each other C. one plate is pushed beneath another D. two plates separate from each other
C
Tectonic activity happens when changes to the Earth's crust are caused by __________. A. changes to the Earth's gravity B. changes to the Earth's temperature C. the movement of the Earth's plates D. the rising of the Earth's oceans
C
The theory of plate tectonics states that the Earth's crust is broken into many pieces called __________. A. supercontinents B. boundaries C. plates D. rings
C
Use the information you learned in the Plate Tectonics activity to answer the following question. The Himalayas are an example of a mountain range created by two plates colliding at a __________ boundary. A. transform B. divergent C. convergent D. oceanic
C
Analyze the image below and answer the question that follows. Image courtesy of USGS At the type of plate boundary shown in the image above, two plates are separating and pulling apart. Which type of plate boundary is shown in this image? A. transform B. collision C. convergent D. divergent
D
Use the information you learned in the Plate Tectonics activity to answer the following question. When an oceanic plate converges with a continental plate, __________. A. the lighter oceanic plate is lifted up B. both plates are lifted up C. the continental plate is pushed downward D. the denser oceanic plate is pushed downward
D
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? A. the mantle B. the crust C. the inner core D. the outer core
c