Quiz on Rocks and Minerals

What are most rocks made of?

• A combination of two or more minerals

• A single mineral

• Only quartz

• Only igneous material

What is the most common mineral mentioned?

• Quartz

• Granite

• Basalt

• Limestone

How are intrusive igneous rocks formed?

• They cool slowly deep within the crust

• They cool quickly on the surface of the crust

• They are formed from sediments

• They are formed from existing rocks

What is granite?

• An intrusive igneous rock that formed from magma

• An extrusive igneous rock made of lava

• A sedimentary rock made from skeletons

• A metamorphic rock formed from limestone

What is basalt?

• An extrusive igneous rock

• An intrusive igneous rock

• A sedimentary rock

• A metamorphic rock

How are sedimentary rocks formed?

• From sediments that came from existing rocks

• From volcanic material

• From magma

• From heat and pressure

What is limestone made from?

• The skeletons of tiny sea creatures, fish and shells

• Grains of sand

• Volcanic material

• Existing igneous rocks

What is sandstone?

• A sedimentary rock laid down in layers called strata

• An igneous rock that cools quickly

• A metamorphic rock formed from limestone

• A rock made from volcanic material

How are metamorphic rocks formed?

• From existing igneous or sedimentary rocks changed by heat and pressure

• From volcanic material

• From sediments

• From magma

What is marble formed from?

• Limestone

• Sandstone

• Basalt

• Granite