Rocks and Minerals

which of these minerals is not found in granite?

• Mica

• Feldspar

• Calcite

• Quartz

Tick the Options that are Rock/Rocks?

• Igneous

• Sedimentary

• Metamorphic

• Ores

• Crystals

Rocks are made up of __________

Metamorphic Rock is formed from the soil and small rock pieces. Is it True or False

• True

• False

Define the following :

magma

• hot fluid or semi-fluid material below or within the earth's crust from which lava and other igneous rock are formed on cooling.

• a naturally occurring solid material from which a metal or valuable mineral can be extracted profitably

• denoting or relating to rock that has undergone a transformation by heat, pressure, or other natural agencies, e.g. in the folding of strata or the nearby intrusion of igneous rocks

Which of the following is Sediment Rock?

• 
• 
• 
• 

Sedimentary rocks change to metamorphic rocks due to ________ and ___________

How is coal formed?

• it is a solid whose molecules (or atoms) are arranged in a repeating pattern.

• it is a hard rock which can be burned as a solid fossil fuel. It is mostly carbon but also contains hydrogen, sulphur, oxygen and nitrogen. .

Which of these stones look like a sponge?

• Mica

• Granite

• Basalt

• Pumice

Which of the following are metamorphic rocks?

• Marble

• Obsidian

• Quartize

• Chalk

• None of these