Which is a non porous igneous rock?
Basalt
Pumice
Obsidian
Granite
Which is made of rounded pebbles cemented together?
Limestone
Diamond
Pearl
Conglomerate
The magma, after it comes out to the surface of the earth is called :
Lava
Sediments
Pumice stone is used:
As foot scrubber
For building statues
To make tools
For building monuments
The world’s largest source of energy for the production of electricity is:
Gemstone
China clay
Talc
Coal
Which is the earliest rocks on earth?
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Catastrophic rocks
Under the ground the magma :
Cools slowly
Cools quickly
Disappear soon
Gets trapped in small pockets
Which was used during stone age to make tools?
Most rocks are combination of one or more :
Metals
Fossils
Minerals
Atoms
What type of rocks can be seen near rivers?
Slate
Pebbles