Chapter 1 Flashcards
A tentative explanation that fits all the data for a specific phenomena
hypothesis
The two components of science are?
1 A process of inquiry
2 The product of that inquiry
Generally accepted explanation for a given set of data or observations (lots of data to support it)
Scientific theory
Never observed to fail under the stated conditions - does not explain how something happens
Law
What makes Earth a truly unique planet?
It hosts life!
The earth system components are
Physicochemical and biological
According to actual ism
The laws of physics have not changed over time.
According to Charles Lyell’s rigid uniformitarianism
Earth does not change over time, the processes acting today are exactly the same as those acting in the past.
The three classes of rock are
Igneous, sedimentary, and metamorphic
The crystals in igneous rocks that form deep beneath Earth’s surface are
Large
Volcanic igneous rocks form at Earth’s surface, they have _________ crystals
Small or microscopic
Rocks formed by compaction and cementation of sediment are
Sedimentary rocks
_________ and _________ are needed to form metamorphic rock from preexisting rocks
Heat and pressure
Rock units that cover a large enough area to show up on maps and have a distinct character are classified as
Formations
A member is a subunit of a
Formation