what layer of the earth is made of solid metal
Inner Core. Temperature: 5,000Â°C - 6,000Â°C State: Solid Composition: iron and nickel The Earthâs inner core is a huge metal ball, 2,500km wide. Made mainly of iron, the temperature of the ball is 5,000Â°C to 6,000Â°C â thatâs up to 6,000 times hotter than our atmosphere and scorching enough to make metal melt!