Chapter 1 Flashcards

0
Q

A tentative explanation that fits all the data for a specific phenomena

A

hypothesis

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1
Q

The two components of science are?

A

1 A process of inquiry

2 The product of that inquiry

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2
Q

Generally accepted explanation for a given set of data or observations (lots of data to support it)

A

Scientific theory

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3
Q

Never observed to fail under the stated conditions - does not explain how something happens

A

Law

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4
Q

What makes Earth a truly unique planet?

A

It hosts life!

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5
Q

The earth system components are

A

Physicochemical and biological

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6
Q

According to actual ism

A

The laws of physics have not changed over time.

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7
Q

According to Charles Lyell’s rigid uniformitarianism

A

Earth does not change over time, the processes acting today are exactly the same as those acting in the past.

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8
Q

The three classes of rock are

A

Igneous, sedimentary, and metamorphic

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9
Q

The crystals in igneous rocks that form deep beneath Earth’s surface are

A

Large

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10
Q

Volcanic igneous rocks form at Earth’s surface, they have _________ crystals

A

Small or microscopic

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11
Q

Rocks formed by compaction and cementation of sediment are

A

Sedimentary rocks

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12
Q

_________ and _________ are needed to form metamorphic rock from preexisting rocks

A

Heat and pressure

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13
Q

Rock units that cover a large enough area to show up on maps and have a distinct character are classified as

A

Formations

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14
Q

A member is a subunit of a

A

Formation

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15
Q

Noting that the lowest rock layer in a sequence of rock is oldest In making use of Steno’s principal of

A

Superposition

16
Q

That the pebbles in a sedimentary rock are older than that rock makes use of the principle of

A

Inclusions

17
Q

A dike intruded into the surrounding country rock must be ______ than the country rock

A

Younger