The Rock Cycle

What are the three main types of rocks mentioned in the passage?

• Igneous, Sedimentary, Metamorphic

• Igneous, Sedimentary, Fossil

• Igneous, Metamorphic, Fossil

• Sedimentary, Metamorphic, Fossil

How are intrusive igneous rocks formed?

• Inside the Earth from cooled magma

• On the Earth's surface from lava

• From compressed biological materials

• From chemical precipitation

Which of the following is an example of a clastic sedimentary rock?

• Sandstone

• Coal

• Limestone

• Marble

What causes the vesicular texture in some extrusive igneous rocks?

• Trapped gas bubbles

• Layered mineral alignment

• Chemical precipitation

• Biological material compression

What type of metamorphic rock is formed from limestone under heat and pressure?

• Marble

• Quartzite

• Gneiss

• Obsidian