Webthe earth's outermost layer. ... Match. Created by. Tanni_Gerwick Teacher. Terms in this set (33) crust. the earth's outermost layer. inner core. the metallic layer at the earth's center. lower mantle. the hottest part of the mantle. asthenosphere. the semi-solid layer between the top layer and the upper mantle. upper mantle. Earth is composed of four main layers, starting with an inner core at the planet's center, enveloped by the outer core, mantle, and crust. The inner core is a solid sphere made of iron and nickel metals about 759 miles (1,221 kilometers) in radius. There the temperature is as high as 9,800 degrees Fahrenheit … See more The name Earth is at least 1,000 years old. All of the planets, except for Earth, were named after Greek and Roman gods and goddesses. However, the name Earth is a Germanic word, … See more Earth has a very hospitable temperature and mix of chemicals that have made life abundant here. Most notably, Earth is unique in that most of our planet is covered in liquid … See more As Earth orbits the Sun, it completes one rotation every 23.9 hours. It takes 365.25 days to complete one trip around the Sun. That extra quarter of a day presents a challenge to our calendar system, which counts one year as … See more With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall. From an average distance of 93 million miles … See more
The Earth
WebEarth comprises four separate layers. Geologists believe that as the Earth cooled, the … WebMar 26, 2024 · The outer core is also thought to be responsible for Earth’s magnetic … eastotac h115r
Core
Weblithosphere, rigid, rocky outer layer of the Earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 60 miles (100 km). It is broken into about a dozen separate, rigid blocks, or plates (see plate tectonics). Slow convection currents deep within the mantle, generated by radioactive heating of the … WebMar 31, 2024 · According to the theory, Earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer called the … WebThe outer and inner core are much hotter with great pressures which one can squeeze … eastotac h100w