Which is made of rounded pebbles cemented together?
Limestone
Diamond
Pearl
Conglomerate
Under the ground the magma :
Cools slowly
Cools quickly
Disappear soon
Gets trapped in small pockets
Which is a non porous igneous rock?
Basalt
Pumice
Obsidian
Granite
Which is formed by sediment that is deposited over time?
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Catastrophic rocks
Which is formed from molten rocks?
On the earth’s surface , the lava:
Gets trapped
The world’s largest source of energy for the production of electricity is:
Gemstone
China clay
Talc
Coal
Which is the world’s most popular and sought after gemstone?
Ruby
Emerald
Iron is extracted from:
Bauxite
Hematite
Pyrite
Graphite
The magma, after it comes out to the surface of the earth is called :
Lava
Sediments
