Vocab
Earth's History
Changes the Earth
The Rock Cycle
Random
100
the preserved remains or traces of ancient plants or animals
Fossils
100
The 2 things scientists study to learn about Earth's past
rocks and fossils
100
The carrying away of soil and rock by weathering
Erosion
100
A model showing how rocks are created, changed, and destroyed
the Rock Cycle
100
The movement of energy like heat and pressure that drives the rock cycle
Energy Flow
200
the breaking down of rocks into smaller pieces by wind, water, or ice
weathering
200
The principle that explains that Earth's lower rock layers are are older than top layers
Law of Superposition
200
Two examples of SUDDEN processes to Earth's suface
Earthquakes and Landslides (will also accept Tornadoes or Floods)
200
The three types of rocks
Igneous, Sedimentary, Metamorphic
200
Is layer M or layer E older?
Layer E
300
a way scientists organize Earth's history into different time periods
Geologic Time Scale
300
This needs to happen to organisms in order to turn into fossils
they must be buried quick before decomposition occurs
300
When sediment builds and settles in a new location it is known as _______
Deposition
300
Name one of the processes in the rock cycle
Crystallization, weathering, erosion, deposition, lithification, heat, pressure, melting
300
The kind of fossil a dinosaur bone containing quartz instead of calcium is
Petrified
400
when minerals form solid crystals as molten rock cools
Crystallization
400
What is the correct arrangement of these terms: eras, epochs, periods, eons (oldest to newest)
Eons -> Eras -> Periods -> Epochs
400
The two processes of weathering (one is natural and one is from reactions)
Physical and Chemical
400
This type of rock can be considered foliated (minerals line up in bands) or nonfoliated (minerals not aligned)
Metamorphic rock
400
This is the era in which dinosaurs, flowering plants, birds, and small mammals appeared/lives
Mesozoic era
500
bending, breaking, or folding of rocks due to pressure
Deformation
500
The earliest life-forms (they are blueish-green)
Cyanobacteria
500
This 2 impacts to Earth are rare and can cause climate change and mass extinction
Asteroid and Comet impacts
500
This type of rock of rock can be sandstone, silt, shale, or limestone-it is the one we interact with most commonly
Sedimentary rock
500
The idea that processes shaping Earth today also occured in the past (from the first section)
Uniformitarianism