Rock And History Of Earth Also Question Preview (ID: 46033)


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What is an index fossil?
a) One that had a limited life span, and was quite common in its life time
b) A fossil that has an alphabetical name
c) A fossil that has small features
d) A large fossil that lived a long time.

What are the inner core and outer core made of?
a) Iron and Carbon
b) Iron and Nickel
c) Iron and Lead
d) Iron and Mercury

The law of superposition states that
a) All rocks look the same
b) All rocks are the same material
c) That younger rocks will appear in the upper layers
d) That older rocks will appear in the upper layers

What can an index fossil tell geologists?
a) The relative age of rocks
b) The absolute age of a rock
c) What a rock is made of.
d) How many rocks are available in an immediate area.

Why do geologists assume that Earth is 4.6 billion years old?
a) By deciding that rocks are 4.6 billion years old
b) By finding 4.6 billion year old fossils
c) By studying the bottom of the ocean
d) From studying rock layers and fossil evidence

Metamorphic rock is also called
a) Layered rocks
b) Heavy Rocks
c) Changed Rocks
d) Pretty rocks

Where does sediment come from?
a) From weathering and erosion
b) From sed bugs
c) From big gravel pits
d)

What are the three types of rock?
a) Sedimentary, igneous and collective
b) Metamorphic, sedimentary, and black rock
c) Sedimentary, igneous and metamorphic
d) Sedimentary, igneous and collective

How are rocks classified?
a) By the manner in which they are found
b) By the manner in which they are formed
c) By the color they are
d) By the amount they weigh

How do igneous rocks form?
a) from cooling magma
b) From other rocks that break down
c) From the sediments that break off other rocks
d)

What is a scientist who studies the Earth, it's history, it's rocks and the things connected to Earth called?
a) Meteorologist
b) Physicist
c) Geologist
d) Chemist

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