What is magma
A. melted, cooled, and hardened rock.
B. Rock formed by heat or pressure
C. hot liquid rock inside the earth
C. Hot Liquid rock inside the earth
What is a sedimentary rock?
A. rock and organic bits pressed together and cemented
B. igneous rock that forms on the earths surface
C. rock formed by heat or pressure
A. rock and organic bits pressed together and cemented
What is the weakest mineral? and can it scratch any other minerals?
A. talc
B. quartz
C. topaz
A. talc, no
The _____________ describes how a rock may be changed from igneous to sedimentary to metamorphic.
A. Moh's scale
B. The rock cycle
C. pressure
B. The rock cycle
What is an igneous rock?
A. melted, cooled, and hardened rock
B. rock and organic bits pressed together and cemented
C. rock formed by heat and pressure
A. Melted, cooled, and hardened rock
What is Metamorphic rock?
A. melted, cooled, and hardened rock
B. Rock and organic bits pressed together
C. Rock formed by heat or pressure
C. Rock formed by heat or pressure
Mineral A is harder than mineral B if___________.
A. A weighs than B
B. A scratches B
C. A leaves a bigger scratch than B
B. A scratches B
Because the ___________ of minerals may vary, it is not the best way to identify minerals.
A. Color
B. Luster
C. Streak
A. Color
What is Luster?
A. Color a mineral leaves on a tile
B. ability of a mineral to resist being scratched
C. how a mineral reflects light
C. How a mineral reflects light
What is hardness?
A. color a mineral leaves on a tile
B. ability of a mineral to resist being scratched.
C. how a mineral reflects light
B. ability of a mineral to resist being scratched.
Not all minerals are_________.
A. Solids
B. found in the earth
C. shiny
D. found naturally
C. Shiny
Heat and ________ form a metamorphic rock.
A. melting
B. Cooling
C. Pressure
C. pressure
What is streak?
A. color a mineral leaves on a tile
B. how a mineral reflects light
C. ability of a mineral to resist being scratched
A. Color a mineral leaves on a tile
What is an intrusive rock?
A. igneous rock that forms underground
B. igneous rock that forms on the earth's surface
C. rock formed by heat or pressure
A. igneous rock that forms underground
A diamond is unique because ___________.
A. It is the most precious of minerals
B. no other mineral can scratch it
C. it is clear
B. no other mineral can scratch it
Hardness of a rock is measured on _______ scale.
A. Mr. Hewuse's
B. Moh's
C. Hardness
B. Moh's
What is a mineral?
A. melted, cooled, and hardened rock
B. element or compound found in the earth
C. hot liquid rock inside the earth
B. element or compound found in the earth
What is an extrusive rock?
A. igneous rock that forms underground
B. igneous rock that forms on the earth's surface
C. rock formed by heat or pressure
B. igneous rock that forms on the earth's surface
You can use________ to tell gold from pyrite.
A. color
B. Luster
C. Streak
D. Size
C. Streak
The two kinds of luster are__________.
A. Shiny and dull
B. metallic and nonmetallic
C. silver and gold
B. metallic and nonmetallic