<p>Earth Structure Quiz</p><p>1. Which of Earth's layers is shown by the letter Z in the image above? A. crust B. inner core C. mantle D. outer core</p><p>2. What is the name of the layer of the Earth that is labeled with the letter Y? A. crust B. outer core C. mantle D. inner core 3. Which of the following is the densest layer of the solid Earth?</p><p>A. mantle B. core C. crust D. atmosphere</p><p>4. The Earth's core is made of two parts - the inner and outer core. The inner core is made mostly of</p><p>A. solid metal. B. nonmetallic liquid. C. liquid metal. D. nonmetallic gas.</p><p>5. What is the name of the layer of the Earth that is labeled with the letter Z? A. crust B. inner core C. outer core D. mantle</p><p>6. Which of the following is located at the center of the Earth?</p><p>A. crust B. mantle C. atmosphere D. core 7. What is the name of the layer of the Earth that is labeled with the letter W? A. inner core B. crust C. mantle D. outer core</p><p>8. What is the name of the layer of the Earth that is labeled with the letter X? A. outer core B. mantle C. crust D. inner core This image is courtesy of NASA.</p><p>9. Which of the following statements is supported by the picture shown above?</p><p>A. The Earth is made mostly of rock.</p><p>B. Three-fourths of the Earth's surface is covered by a thin layer of water.</p><p>C. The Earth is orbited by one moon.</p><p>D. The Earth has a magnetic field that can be detected with a compass.</p><p>10. Which one of the of Earth's layers is the thinnest? A. crust B. mantle C. outer core D. inner core</p>