6 Rock Cycle Practice

Scientists classify rocks by their composition and

• chemicals
• size
• color
• texture

What is the MAIN way rocks are classified?

• Their color and shapes
• How they form
• Mineral bands
• Where they form

What is the most common Intrusive Igneous rock?

• Basalt
• Gabbro
• Diorite
• Granite

Which texture best describes the rock above?

• porphyritic 
• nonfoliated
• foliated
• clastic

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

__________  metamorphic rocks have mineral grains that are not arranged in distinct bands.

• Conglomerate
• Non-foliated
• Foliated
• Permeated

Which type of metamorphic rock has minerals in bands or stripes?

• Nonfoliated
• Coarse grained
• Fine grained
• Foliated

True/False: Igneous rocks can only turn into metamorphic rocks.

• True
• False

A metamorphic rock changes into an igneous rock by what two processes?

• Melting and cooling
• Extreme heat and pressure
• Compaction and cementation
• Weathering and erosion

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive