Clues in Rocks
Igneous Rocks
12-16
17-21
Random
100
Scientists who study the physical properties of rocks to tell how the rocks have formed are called ___________.
Geologists
100
Rough rocks have _________ grains, and fine-textured rocks have ________ grains.
large,small
100
An example of an igneous rock with a fine texture is _______.
basalt
100
Metamorphic rocks are rocks that have been changed by both ________,_________, or both.
Heat,pressure
100
What are metamorphic rocks? Question 1
heat and pressure
200
Rocks are made of naturally occuring substances called __________.
Minerals
200
Rocks formed from hot, molten rock material that has cooled and hardened are called ____________.
igneous rocks
200
Deposited rock particles and other materials that settle in liquid are called________.
sediment
200
Metamorphic rocks are classified into two groups, what are they?
with bands, without bands
200
What are metamorphic rocks: Question 2
minerals
300
Four Properties that can be used to tell minerals apart
luster, hardness, color, streak
300
Magma is molten material _________ the surface of the earth.
below
300
Four examples of sedimentary rock are:
rock salt, shale, limestone, conglomerate
300
Granite or shale heated under pressure can form ________.
marble
400
The property that refers to the way light bounces off a mineral is called _________.
luster
400
Magma that reaches Earth's surface is called _________.
lava
400
Sediments are layed down in ________ order, with those at the bottom laid down first.
time
400
Rocks are formed through a never ending process called ______.
the rock cycle
400
What are metamorphic rocks: Question 3
marble
500
Rubbing minerals on a ________________ may leave a clue about the mineral.
streak plate
500
A mineral that splits along flat surfaces in three directions is __________.
Galena
500
Words like older, oldest, younger, and youngest describe _________.
relative age
500
Any trace, mark, or remains preserved in a sedimentary rock is called a _________.
fossil
500
Two examples of minerals that break unevenly are _______ and talc.
quartz
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