Science Midterm Flashcards
Which kind of fossils an impression of an entire organism?
Mold fossil
Which kind of fossils are the hard parts organism materialized?
Petrified Fossil
In which kind of fossil is a mild fossil filled with minerals?
Cast Fossil
Which kind of fossil is made by an imprint left behind by an organism?
Trace Fossil
In which kind of fossil is the actual none or tissue of an organism preserved?
True Form Fossil
Which geological era was dominated by mammals?
The Cenozoic Era
What is the name of the giant landmass made of all current land masses?
Pangea
Which era was dominated by mainly giant insects on the land and in the ocean and fish?
The Paleozoic era
Which era was dominated by reptiles?
The Mesozoic Era
What is another name for the visual record of the Earth’s history?
Geological Time Scale
What is the name of the collection of dust and gas from which planets and stars come from?
Nebula
What is the name given to the sudden increase of life at the beginning of the Paleozoic Era?
Cambrian Explosion
What is another name for the rigid crust and upper most mantle?
Lithosphere
In which process is rock worn down and moved by wind and water?
Weathering and Erosion
What is another name for GeV steepness of a landform?
Relief
What do we call the layers of gas around the Earth?
The Atmosphere
What is another name for the heigh of a landform above sea level?
Elevation
In which layer of the Earth is rock hot enough to flow?
Asthenosphere
What is the innermost layer of the Earth?
The Core
What is the process in which grains are squeezed together until they become rock?
Compaction
What is another name for the shape of a geographical area?
Topography
What is the name given to all of the Earth’s water?
Hydrosphere
What makes up the largest portion of Earth’s history?
The Precambrian Time
How were scientists able to determine that the core is solid with a liquid outer layer?
Seismic Waves
How was our solar system formed?
In a nebula
What is the formula for density?
Density= mass/volume
Which landform has high elevation and low relief?
A plateau
The core of the Earth is composed mostly of what?
Iron
What type of landform has high elevation and high relief?
A mountain
What is the atmosphere mostly contain?
Nitrogen
Which were the fist vertebrates?
Fish
Most Scientist believe that the Earth is how old?
4.6 billion years old
Humans appeared during which era?
Cenozoic
A bug trapped in Amber is an example of which kind of fossil?
True Form Fossil
Dinosaurs existed in which era?
Mesozoic
During which won was the Earth’s surface molten?
Hadeon Eon
What is the current geological era?
Cenozoic
What is the name of the measured result of an experiment?
Dependent Variable
What do we call a rule that describes a pattern of nature?
Scientific Law
What do we call a factor that an experimenter changes in an experiment?
Independent Variable
What do we call a unified principle that explains many observations and investigations?
Scientific Theory
What Kind of Factors are kept the same throughout each trial of an experiment?
Constants
What instrument is used to measure mass?
Balance
What do we call the measurement of how much matter is in an object?
Mass
What is the metric unit for mass?
Grams
What do the metric unit for volume?
Liter
What kind of instrument is used to measure volume?
Graduated Cylinder
What is the metric unit for length?
Meters
What do we call a disturbance in which energy is transferred, but the medium is not permanently moved?
A Wave
What do we call the steady flow of water in one prevailing direction?
A Current
What part of the ocean is exposed to air during low tide, but under water during high tide?
Intertidal Zone
What do we call a place in which river water flows into the ocean, which is a protective home for young sea creatures?
Estuaries
What do we call the ocean waters from the low tide mark to the continental shelf?
The Neritic Zone
Which part of the ocean extends beyond the continental shelf?
Open Ocean Zone
What is the location on the Earth’s surface from which seismic waves radiate?
Epicenter
What is the underground location where rocks first move long a fault line?
A focus
