Magma
The word "geode" comes from the Greek word "geoides," which means "earthlike" or "having the form of the Earth." Geodes are spherical rocks that contain crystals inside.
Lunar rocks are those forming the Moon - as the word 'lunar' says. Earth rocks are formed on Earth - but the rock forming the Moon is also a constituent of the Earth.
Geology...
The word for melted iron is "molten iron."
Scree?
Rocks are a natural occurrence in the Earth's surface
The word sand is the noun. The word melted is an adjective describing the sand.
On Earth, about five billion years ago. In the Universe, about 13 billion.
The geosphere includes the solid parts of Earth, such as rocks, minerals, and landforms. Scientists study the geosphere to understand Earth's history and processes.
On the rocks
Melted/Liquified
Three main typs metimorfic, igneous, and sedimentary