Quarter 2: Quiz 1

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Rocks

• Igneous Rock

• Metamorphic Rocks

• Sedimentary Rocks

An aphanitic texture in an igneous rock means what?

• Large crystals

• Air holes

• Tiny/No Crystals

• Coarse grains

Answer explanation

What is the series of processes that slowly change Earth's rocks from one kind to another?

• Volcanic cycle

• Rock cycle

• Weathering cycle

• Water cycle

What process in the rock cycle changes a metamorphic rock into magma?

• melting

• cementation

• pressure

• deposition

To form a metamorphic rock, it must have heat and/or what other variable applied?

• magma

• gravity

• sediment

• 
  pressure

The texture of this rock is...

• Aphanitic

• Phaneritic

• Pyroclastic

• Porphyritic

Which is an example of an organic rock?

• breccia

• rock salt

• coal

• shale

How are clastic rocks grouped?

• by the size of the rock fragments that form them

• by the texture of the rock

• 
  by the colors found in the rock

• by the streak of the rock

What is the process by which sediments get pressed together?

• squishing

• compaction

• heating

• gravitational pull

How do coarse-grained igneous rocks form?

• 
  

  from slowly cooling magma

• from sedimentary rocks changed from pressure

• from rapidly cooling magma

• from large rock particles cemented together