Which is the world’s most popular and sought after gemstone?
Ruby
Talc
Emerald
Diamond
Rocks are divided into :
Two groups
Three groups
Four groups
Five groups
Most rocks are combination of one or more :
Metals
Fossils
Minerals
Atoms
Hard, solid parts of the earth are called:
Rocks
Matter
Molecule
Which is formed by sediment that is deposited over time?
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Catastrophic rocks
Iron is extracted from:
Bauxite
Hematite
Pyrite
Graphite
Which is used for making statues?
Basalt
Pumice
Obsidian
Granite
Which is made of rounded pebbles cemented together?
Limestone
Pearl
Conglomerate
Under the ground the magma :
Cools slowly
Cools quickly
Disappear soon
Gets trapped in small pockets
Which is the earliest rocks on earth?