Chapter 6 Earth Chemistry

A measure of the tendency of a chemical compound to maintain its original composition rather than break down to form a different chemical is called

• Atomic bonding

• chemical dependency

• atomic structuring

• chemical stability

Huge igneous rock structures have zones of weakness called

• layers

• columns

• fractures

• joints

Which of the following does NOT change the form of an existing rock?

• tremendous pressure

• extreme heat

• chemical processes

• light

The name for this type of rock means "changed form"

• Igneous

• Sedimentary

• Metamorphic

• sandstone

Tags

NGSS.MS-ESS2-1

Three factors that determine whether rock melts are temperature, the presence of fluid in the rock, and

• the crystal content

• pressure

• air density

• surrounding rocks

Which of the following is NOT an example of an intrusion?

• volcano

• laccolith

• batholith

• sill

A lava flow is a type of

• instrusion

• extrusion

• dike

• Sill

An example of an igneous rock that rock that has a porphyritic texture is

• pumice

• rhyolite

• granite

• obsidian

Which of the following is NOT a common depositional environment?

• plain

• delta

• river

• beach

In stratified layers of sedimentary rock, what structure forms when finer sediments settle on the bottom and large grains settle on top?

• cross-beds

• graded beds

• massive beds

• reverse grading