Igneous, Sedimentary and Metamorphic processes

A few minerals strongly

attract what?

• metals

• density

• fracture

• magnets

____ is found below the Earth’s

surface while ____ is molten rock

found above Earth’s surface.

• magma, lava

• lava, magma

• extrusive, intrusive

• mineral, rock

Igneous rocks are classified based

on two things. What are they?

• formed in nature and is a solid

• metallic and nonmetallic

• mineral crystal size and mineral composition

• density and hardness

Rocks found below the earth’s

surface and take a while to cool have

____ size crystals.

• small

• large

• medium

• depends on the amount of magma

_____ rocks reach earth’s

surface, have small crystals, and

had less time to cool.

• extrusive

• intrusive

• foliated

• non-foliated

What is the composition of most

igneous rocks?

• carbonates

• silicates

• oxides

• obsidian

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-1

What is the process by which

sedimentary rocks are formed?

• magma cooling

• weathering and erosion

• heat and pressure

• time and crystals

Small particles of sediment may

form into rocks by pressure alone

such as ___ and ____.

• limestone and coal

• silt and clay

• fossils and sandstone

• sandstone and clay

Sedimentary rocks are laid down

in layers. The ________ layers are

on the top.

• oldest

• youngest

• middle

• cannot be determined

Tags

NGSS.MS-ESS1-4

Metamorphism is the process by

which a rock’s structure or mineral

makeup is ________.

• cemented

• kept the same

• changed

• continued