Rocks

Question 1

Rocks:

Answer 1

Are a naturally formed solid that is usually made up of two or more minerals

Question 2

The Rock Cycle:

Answer 2

The way rock changes in a set of Natural Processes that Form, Change, Breakdown, and Reform

Question 3

Igneous Rock:

Answer 3

a rock that forms as molten rock cools and becomes solid

Question 4

Sedimentary Rock:

Answer 4

Is formed when pieces of older rocks, plants, and loose materials get pressed or cemented together

Question 5

Metamorphic Rock:

Answer 5

Is formed when heat or pressure cause older rocks to change into new types of rocks

Question 6

Extrusive Igneous:

Answer 6

When lava cools outside Earth’s surface (Obsidian)

Question 7

Intrusive Igneous:

Answer 7

When magma cools inside Earths Surface (Granite)

Question 8

Volcanic Glass:

Answer 8

is a rock that forms when lava cools to rapidly for crystals to form

Question 9

The crystals that form quickly cooling lava will create (small fine grained or large well defined) mineral grains

Answer 9

Small fine grained

Question 10

Light colored igneous rocks contain (higher or lower) levels of silica

Answer 10

Higher

Question 11

Sedimentary rocks are changed to sediments by:

Answer 11

Weathering and erosion

Question 12

The rock cycle can change the sedimentary rock limestone into the metamorphic rock marble through a process called

Answer 12

Metamorphism

Question 13

Bio chemical sedimentary rocks form from:

Answer 13

The remains of once living things

Question 14

Chemical sedimentary rocks form:

Answer 14

When minerals crystallize directly from the water

Question 15

Clastic Sedimentary are made up of:

Answer 15

Broken pieces of minerals and rock fragments

Question 16

Clast:

Answer 16

The broken pieces of rock fragments in a sedimentary rock

Question 17

Metamorphic rock that contains parallel layers of flat and elongated minerals

Answer 17

Foliated Rock

Question 18

Metamorphic rock that has mineral grains with a random interlocking texture

Answer 18

Nonfoliated Rock

Question 19

Regional Metamorphism:

Answer 19

Results in high temperatures and pressure that effects large areas of Earth’s surface

Question 20

Magma comes in contact with existing rock

Answer 20

Contact metamorphism

Question 21

Fragments that make up rock

Answer 21

Grains

Question 22

Molten rock that erupts on Earth’s surface

Answer 22

Lava

Question 23

Molten or liquid rock underground

Answer 23

Magma

Question 24

Rock material that is broken down into smaller pieces or dissolved in water as rocks erode

Answer 24

Sediment

Question 25

Grain size or the way grains fit together in a rock

Answer 25

Texture

Question 26

Igneous Rock forms:

Answer 26

Granite, Obsidian, Basalt, Pumice, Andesite

Question 27

Sedimentary Rock forms:

Answer 27

Sandstone, Limestone, Shale, Coal. Gypsum

Question 28

Metamorphic Rock forms:

Answer 28

Marble, Slate, Schist, Quartizile