(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

State the types of rocks for the formation of which the following process is involved.

Solidification of magma on the surface of the earth.

State the types of rocks for the formation of which the following process is involved.

Formation of large crystals, coarse texture and slow cooling and compaction.

State the types of rocks for the formation of which the following process is involved.

Accumulation takes place over long periods of time in seas, lakes and streams.

State the types of rocks for the formation of which the following process is involved.

Decomposition of organic matter at different stages and over different periods of time.

Distinguish between rocks and minerals.

Describe how igneous rocks are formed.

How are igneous rocks classified on the basis of their chemical composition?

Classify the igneous rocks on the basis of their place of origin.

How are sedimentary rocks formed?

Explain the formation of sedimentary rocks on the basis of agents of formation.

How are sedimentary rocks classified on the basis of their formation?

What is metamorphism?

What are the causes of metamorphism?

State the chief characteristics of metamorphic rocks.

Give a detailed account of lithiflcation of sedimentary rocks.

What is meant by a rock?

Name the main types of rocks.

Differentiate between Rock and Mineral

How are sedimentary and igneous rocks formed?

In what type of rocks do you find fossils and why?