A Changing Planet Answers

Describe the four layers of the Earth. In a response of at least three sentences, name at least one important quality of each layer.

Which of the layers of the Earth has the following three characteristics? i. It is a solid outer layer. ii. It is between 3 and 30 miles thick. iii. It is separated into plates.A. the outer coreB. the inner coreC. the mantleD. the crust Please select the best answer from the choices provided

At a convergent boundary, two plates __________.A. collideB. separateC. slide past each otherD. move apart Please select the best answer from the choices provided

What is the theory of continental drift? What did Alfred Wegener notice that helped him to create this theory?

Describe the three kinds of plate boundaries. Explain your answer in at least three to four sentences.

At a divergent plate boundary, two plates __________. A. separate B. collide C. converge D. slide past each other Please select the best answer from the choices provided

Analyze the image below and answer the question that follows. Image by Kieff Use your knowledge of plate tectonics to explain why the supercontinent of Pangaea could have existed long ago. How did Pangaea break apart, and how were our continents formed? Explain your reasons in at least two to three sentences.

Which of the layers of the Earth has the following three characteristics? i. It is made of molten rock. ii. It has currents that are constantly moving. iii. Earth’s plates float on top of its currents. A. the mantleB. the inner coreC. the outer coreD. the crust Please select the best answer from the choices provided

Read the passage below and answer the questions that follow. Imagine that you’re moving to a new home in a country along the Ring of Fire. Your new home will be in New Zealand. When you arrive at your new home, your neighbors tell you about the importance of safely preparing for earthquakes, and this is something new to you! What is the Ring of Fire, and why is it an area that experiences more volcanic eruptions and earthquakes? Why would you have to prepare for these events? Explain your answer in at least three sentences.

Which of the layers of the Earth has the following characteristics? i. It is solid and extremely hot. ii. It is the innermost layer of the Earth. iii. It is around 800 miles thick. A. outer core B. inner core C. crust D. mantle Please select the best answer from the choices provided