Minerals
A mineral is split apart. Which term describes the rough, uneven surface produced?
a. cleavage
b. fracture
What is fracture
The size of the crystals in igneous rocks differ depending on________.
What is cooling time
_______ is loose material, such as bits of rocks, minerals, plants, and animals.
What is sediment
Metamorphic rocks that do not have layers are said to be ___________.
a. foliated
b. non-foliated
What is non-foliated
Which of the following is NOT a rock family?
a. gneiss
b. sedimentary
c. igneous
d. metamorphic
What is gneiss
Minerals are made up of one or more __________?
a. crystals
b. elements
c. rocks
d. structures
What is elements
Igneous rock that is formed below the Earth's surface is called ________igneous rock.
a. intrusive
b. extrusive
What is intrusive
Which two processes form sedimentary rocks?
a. heating and cooling
b. compaction and compression
c. compression and melting
d. compaction and cementation
What is compaction and cementation
A rock that has been changed into a metamorphic rock is called the __________ rock.
What is parent
What type of rock is formed from magma and lava?
What is igneous
Which minerals has the greatest hardness value on the Mohs Hardness Scale?
a. diamond
b. calcite
c. feldspar
d. quartz
What is diamond
Intrusive Igneous rocks are formed from a molten material deep inside Earth. What is the material?
a. magma
b. lava
What is magma
_________are evidence of once-living organisms in sedimentary rocks.
What is fossils
What material forms metamorphic rocks?
a. igneous rocks
b. sedimentary rocks
c. other metamorphic rocks
d. all of the above
What is all of the above
What type of rock contains fossils?
What is sedimentary
A mineral is scratched along a piece of porcelain. Which term describes the powdery mark left behind?
a. fracture
b. lustre
c. streak
d. residue
What is streak
Igneous rocks are formed from the cooling of
a. magma
b.lava
c. neither a nor b
d. both a and b
What is a and b
The process in which pieces of sediments are held together by another material is called _________
a. compaction
b. cementation
What is cementation
How are metamorphic rocks classified?
a. chemical or organic
b. intrusive or extrusive
c. foliated or non-foliated
d. basaltic or granite
What is foliated or non-foliated
On what basis are the three types of rocks classified?
a. where they are found
b. when they are formed
c. how they are formed
d. their location in strata
What is how they are formed
A mineral is said to have ____________if it breaks along smooth, flat surfaces, or planes.
What is cleavage
What type of rock is formed when lava cools quickly?
What is extrusive igneous
What three things move sediment to a place where it settles?
What is water, wind, and ice
Which of the following is NOT involved in the formation of metamorphic rocks?
a. Earth's magnetic field
b. the original rock's composition
c. temperature
d. pressure
What is Earth's magnetic field
What type of rock changes form under heat and pressure?
What is metamorphic