A mineral is split apart. Which term describes the rough, uneven surfact produced?
a. cleavage
b. fracture
What is fracture
100
The size of the crystals in igneous rocks differ depending on________.
What is cooling time
100
_______ is loose material, such as bits of rocks, minerals, plants, and animals.
What is sediment
100
Metamorphic rocks that do not have layers are said to be ___________.
a. foliated
b. non-foliated
What is non-foliated
100
Which of the following is NOT a rock family?
a. gneiss
b. sedimentary
c. igneous
d. metamorphic
What is gneiss
200
Minerals are made up of one or more __________?
a. crystals
b. elements
c. rocks
d. structures
What is elements
200
Igneous rock that is formed below the Earth's surface is called ________igneous rock.
a. intrusive
b. extrusive
What is intrusive
200
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
200
A rock that has been changed into a metamorphic rock is called the __________ rock.
What is parent
200
What type of rock is formed from magma and lava?
What is igneous
300
Which minerals has the greatest hardness value on the Mohs Hardness Scale?
a. diamond
b. calcite
c. feldspar
d. quartz
What is diamond
300
Igneous rocks are formed from a molten material deep inside Earth. What is the material?
a. magma
b. lava
What is magma
300
_________are evidence of once-living organisms in sedimentary rocks.
What is fossils
300
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
300
What type of rock contains fossils?
What is sedimentary
400
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
400
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
400
The process in which pieces of sediments are held together by another material is called _________
a. compaction
b. cementation
What is cementation
400
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
400
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
500
A mineral is said to have ____________if it breaks along smooth, flat surfaces, or planes.
What is cleavage
500
What type of rock is formed when lava cools quickly?
What is extrusive igneous
500
What three things move sediment to a place where it settles?
What is water, wind, and ice
500
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
500
What type of rock changes form under heat and pressure?