Earth's History Review Sheet For Test 10/23/2014

Question 0

Cast

Answer 0

Type of fossil that forms in the hollow space left from a mold.

Question 1

Mold

Answer 1

Type of fossil that forms when an organism is buried and then dissolves in water.

Question 2

Petrified Fossil

Answer 2

Type of fossil that forms when a mineral soaks into an organism turning it to stone

Question 3

Index Fossil

Answer 3

Type of fossil that is widespread but only exists for a limited time span.

Question 4

Carbon Film —————-

Answer 4

Type of fossil that preserves delicate details of organisms leaving behind a “stamp” of a fossil.

Question 5

Trace Fossil

Answer 5

Type of fossil that is indirect evidence of life like burrows, tracks, feces, etc.

Question 6

Preserved Remains

Answer 6

Type of fossil that forms when an organism is covered in ice, tar, or sap

Question 7

Law of Superposition

Answer 7

States that each layer is older than the one above it and younger than the one below it

Question 8

Relative Dating

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Answer 8

Method of putting things in order of when they happen

Question 9

Inclusion

Answer 9

Pieces of rock that are contained whithin another rock

Question 10

Disconformity

Answer 10

To rock layers are separated by an eroded surface

Question 11

Uniformitarianism

Answer 11

Shows a surface that was eroded and then new layers formed on top

Question 12

Correlation

Answer 12

Matches rocks of similar age in different locations

Question 13

Nonconformity

Answer 13

Older metamorphic rock and younger sedimentary rock is separated by an erosional surface

Question 14

Law of cross cutting relationships

Answer 14

States that when a fault cuts through or magma intrudes it is younger than the other rocks

Question 15

Principle of original horizontally

Answer 15

Stats that layers of sediment are generally deposit in a horizontal pattern.

Question 16

Explain the Two Favorable Conditions for Fossils to Form.

Answer 16

The best way (favorable condition) for a fossil to form is for it to have hard parts like bones (not internal organs), and for it to have rapid burial by sediments so that animals/scavengers can’t get to it before it is preserved.