Module 1 Flashcards
A possible answer to a scientific question that will be tested is a(n)
Hypothesis
A mineral is defined as natural, solid, and________ with specific chemical composition and ordered internal structure.
Inorganic
Cleavage is the tendency of minerals to break along zones of weakness that make parallel planes. T or F?
True
Rocks can also form from ions precipitating out of solution. T or F?
True
Rocks can form in all of the following ways EXCEPT_______.
By the process of accumulation on the Earth’s surface
Which of these is not an agent of metamorphism?
Sunlight
Laboratory created diamonds are also considered a mineral. T or F?
False
Liquid mercury is not considered a mineral. T or F?
True
Minerals that are composed of only one element, such as diamond, are called____________.
Native elements
Intrusive igneous rocks form_________.
Below ground
The first step of the scientific method is to_________.
Formulate a question
In Earth’s history, which of the following came first?
Precambrian
Dating rocks using the decay of radio active isotopes is___________.
Absolute age dating
Relative dating does not depend on establishing a specific numerical age. T or F?
True
The stratigraphic principle that states that a rock that is cut by a fault or igneous intrusion is older than the thing that cuts it is ______________________.
Cross-cutting relationships
The stratigraphic principle that states that in a sequence of sedimentary rock the older rock is on the bottom and the younger rock is on the top is _______________.
Superposition
How old is Earth?
4.5 Billion years old
Uniformitarianism is the assumption that the chemical and physical laws of nature have not changed. T or F?
True
In general, an unconformity is a buried erosional surface represents a large gap in geologic time within a rock or stratigraphic sequence. T or F?
True
A ________ delineates the change from both the Paleozoic Era to the Mesozoic Era, and the Mesozoic Era to the Cenozoic Era in the geologic time scale.
Mass Extinction
