Igneous Rocks Quiz

What is the liquid rock matter that comes out from volcanoes called?

• Diorite

• Granite

• Lava

• Magma

What are the rocks formed by the cooling and solidification of lava at the Earth's surface known as?

• Obsidian

• Pumice

• Volcanic rocks

• Granite

Which type of igneous rocks have fine-grained crystals due to rapid cooling?

• Granite

• Pumice

• Intrusive igneous rocks

• Obsidian

What are the rocks formed by the cooling and solidification of magma at a depth within the Earth's crust known as?

• Volcanic rocks

• Obsidian

• Intrusive igneous rocks

• Pumice

Which type of igneous rocks are used in making lightweight concrete?

• Granite

• Obsidian

• Pumice

• Volcanic rocks

What is the Latin word from which the term 'igneous' has been derived?

• Magma

• Lava

• Granite

• Ignace

What are the rocks associated with volcanic eruptions called?

• Granite

• Volcanic rocks

• Magma

• Lava

Which type of igneous rocks are used as building material?

• Volcanic rocks

• Granite

• Pumice

• Obsidian

What are the rocks having large crystals formed by the cooling and solidification of magma at a depth within the Earth's crust known as?

• Intrusive igneous rocks

• Obsidian

• Pumice

• Volcanic rocks

Which type of igneous rocks were the first to be formed and are also known as primary rocks?

• Intrusive igneous rocks

• Obsidian

• Granite

• Pumice