71% of its surface is taken up by oceans
At Earth's core is a hot ball of solid iron surrounded by liquid iron. Above that is a thick,rocky mantle topped by a thin rocky crust.
In contrast to the barren landscapes of the other planets much of Earth is covered by vegetation, including forests,scrub and grssland. Different climates determine the types of plants and animals that live in different places.
The Earth speed through space is about 30 Km every second taking one year to complete one orbit. Earth spins round like a top once every 24 hours.This makes the Sun apper to rise at dawn pass across the sky and set at dusk, giving us day and night. The Earth is not a perfect ball. It is 12,756 Km across its middle and 12,714 Km from pole to pole.
The Earth has its own magnetism an invisible field too weak to notice in daily life, the magnetic field affect iron based materials and other magnets. Earth magnetic field is generated by electrical currents produced by swirling motion of the liquid inner core. The magnetic field protects Earth from the solar wind.
Earth's outer shell made up of the rocky crust and partly molten upper mantle is didided into about 15 separate pieces called tectonic plates.Volcanoes and earthquakes occurs where plate edges meet.
