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Vocabulary
Types of Rocks
Different Rocks
Fossils
Misc.
100
formed within a mold
What is cast?
100
"fire made" rock formed from hot, molten rock material
What is igneous rock?
100
This layer is on the bottom of the rock layer in Relative Age
What is oldest?
100
These are clues to the past
What is fossils?
100
Three properties to identify a mineral
What is hardness, streak, luster?
200
a process by which rocks are changed from one type into another
What is rock cycle?
200
rock formed when bits or layers of rocks are cemented together
What is sedimentary rocks?
200
rock that has been changed by heat, by pressure or by both
What is metamorphic rock?
200
a mark made by pressing
What is imprint?
200
People who study rocks are called this
What is Geologist?
300
the age of something compared with the age of another thing
What is relative age?
300
deposited rock particles and other materials are called
What is sediments?
300
all sedimentary rocks depend on
What is water?
300
a hollow fossil form clearly showing the outside features of the organism
What is mold?
300
any trace, mark or remains of an organism at least 10,000 years old
What is fossil?
400
a naturally occurring substance that is neither plant nor animal
What is mineral?
400
the two groups of metamorphic rocks
What are gneiss and marble?
400
This sedimentary rock is formed by a buildup of dead sea animals on the ocean floor
What is limestone?
400
"turned to stone"
What is petrified?
400
This is the hardest mineral
What is diamond?
500
hardened tree sap, often a source of insect fossils
What is amber?
500
This igneous rock is an example of volcanic glass
What is Obsidian?
500
When limestone is heated under pressure this type of rock forms
What is marble?
500
This part of an animal's body is not likely to become a fossil
What is skin?
500
this mineral is a brassy yellow, but leaves a black streak
What is pyrite?