Which is formed when the volcano erupts?
Basalt
Pumice
Obsidian
Granite
Which was used during stone age to make tools?
Under the ground the magma :
Cools slowly
Cools quickly
Disappear soon
Gets trapped in small pockets
Which is the world’s largest source of energy for the production of electricity?
Coal
Petrol
Diesel
Kerosene
Which is a non porous igneous rock?
The world’s largest source of energy for the production of electricity is:
Gemstone
China clay
Talc
Which is formed from molten rocks?
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Catastrophic rocks
What type of rocks can be seen near rivers?
Slate
Diamond
Pebbles
On the earth’s surface , the lava:
Gets trapped
Naturally occurring substances formed by geological processes are called:
Rocks
Minerals
Matter
Molecules