Rocks and rock cycle

How do we classify rocks?

• Color

• shape

• size and density

• formation

Which of the following words describe/define 'Rock'?

• crystals

• grain coarse

• aggregate of minerals

• sandstone

On the basis of classification, how many types of rocks are there?

• One

• Two

• Three

• Four

What is an igneous rock?

• formed from the cooling and solidification of magma or lava

• formed through sediments

• formed by the process of metamorphism

• chemically/mechanically formed

On the basis of occurrence, how many types of igneous rocks are there?

• one

• two

• three

• four

When magma cools slowly inside the earth, we get _____ rocks with large crystals.

• extrusive igneous rocks

• Plutonic (intrusive) igneous rocks

• Basalt rocks

• Obsidian rocks

Which type of igneous rock is obtained when lava cools quickly at or near Earth's surface?

• Plutonic (intrusive) igneous rocks

• Hypabyssal (Intrusive) igneous rocks

• Extrusive igneous rocks

• Granite