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? A. the mantle B. the crust C. the inner core D. the outer core Please select the best answer from the choices provided

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 Please select the best answer from the choices provided

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 Please select the best answer from the choices provided

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 __________. A. tectonic activity B. continental drift C. divergence D. the layering of the Earth Please select the best answer from the choices provided

The Earth’s plates are large pieces of the Earth’s __________. A. crust B. mantle C. inner core D. outer core Please select the best answer from the choices provided

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 Please select the best answer from the choices provided

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 Please select the best answer from the choices provided

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 Please select the best answer from the choices provided

Seafloor spreading and rift valleys occur at __________ boundaries. A. divergent B. convergent C. transform D. supercontinent Please select the best answer from the choices provided

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 Please select the best answer from the choices provided