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Sarai Cruz Geo Science First Semester Final Vocab Review
geoscience
60
Science
10th Grade
12/11/2019

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Cards

Term
H/He ratio
Definition
The ____________ ratio was predicted by the Big Bang theory and helps establish the rate of expansion for the universe.
Term
apparent magnitude
Definition
_______________ (2 words) is how bright a star appears when viewed from Earth.
Term
Earth science
Definition
______________________ (2 words) includes the 4 main sub categories of Geology, Astronomy, Oceanography, and Meteorology.
Term
look back time
Definition
The concept that the more distant an object is in space, the farther in its past we are observing its light is called _____________________
Term
observation
Definition
________________ is the use of the senses to gather and record information.
Term
static model
Definition
The ____________________ states the universe is both infinitely large and eternal, and space is neither expanding nor contracting.
Term
Hertzsprung Russell
Definition
The ______________________ (2 words) diagram shows the relationship between a stars brightness and its temperature.
Term
astrophysics
Definition
The branch of astronomy devoted to the study of the physical characteristics and composition of objects in the sky is called ____________________
Term
outer planets
Definition
The _____________________ (2 words) are composed of liquid and frozen gases and orbit outside the asteroid belt.
Term
scientific law
Definition
A statement about what happens in nature that seems to be true 100% of the time is called a ___________________ (2 words required).
Term
spiral nebulae
Definition
A term used to describe objects believed to be fuzzy patches of luminous gas and dust ________________
Term
nova
Definition
A ______________________ gets several thousand times brighter in a few days, and then fades to its original brightness over several months.
Term
Earth science
Definition
_____________________ (2 words) includes all fields of natural science related to the planet we live on.
Term
observation
Definition
____________________ may include the use of sight, hearing, or touch.
Term
cosmology
Definition
Answers sought by this field include; How did the Universe begin? When did it begin? Where did it come from? and How will it end? _______________________________
Term
super-giant
Definition
A _________________________ is 100 to 1000 times the size of the sun.
Term
Geology
Definition
The science that deals with the earth's physical structure and substance, its history, and the processes that act on it is called _______________.
Term
theory
Definition
A _________________ is what a scientist believes is most likely true.
Term
metaphysics
Definition
A branch of philosophy (not science) exploring the fundamental questions, including the nature of concepts like being, existence and reality. ___________________________
Term
Binary star system
Definition
A pair of stars that are bound together by gravity is called a _____________________ (3 words).
Term
Solar wind
Definition
The continuous flow of charged particles released from the upper atmosphere of the Sun is called the __________________(2 words)
Term
MILKY WAY
Definition
These structures are actually other galaxies outside our own galaxy. ________________________
Term
hypothesis
Definition
A suggested, testable answer to a well-defined scientific question is called a _________________.
Term
absolute magnitude
Definition
A stars' ____________________________ (2 words) describes the amount of light that a star actually emits
Term
physical geology
Definition
__________________ (2 words) is the branch of geology that studies the materials, structure, and surface features of the earth and the geologic processes that form them.
Term
red shift
Definition
_______________ is caused by a light source that is moving away from the observer.
Term
model
Definition
Use of a ________________ generally makes things easier to visualize and understand.
Term
CMBR
Definition
This radiation is left over from an early stage of the universe like a distant flash from the Big Bang itself. _____________________
Term
red giant
Definition
A _________________ (2 words) is a very large, cool, bright star.
Term
inner planets
Definition
Mercury, Venus, Earth, and Mars are made of rock and dust and are called the __________________ (2 words)
Term
experiment
Definition
A(an) __________________ tests the validity of a given hypothesis.
Term
main sequence
Definition
When plotted on a graph that compares surface temperature to brightness, most stars with average mass, lie within a narrow band which crosses the graph diagonally from lower right to upper left. These stars are called ________________________ (2 words) stars.
Term
nebular hypothesis
Definition
According to the _________________ (two words), the sun and planets condensed out of a large rotating cloud of dust and gas.
Term
LIGHTER elements
Definition
Faster expansion of the universe would have produced more _________________ that we see in today.
Term
model
Definition
A ______________ represents something that is too complex, difficult or dangerous to observe or test directly.
Term
Cepheid variable
Definition
A _____________________ (2 words) star brightens and then fades in a regular repeating pattern over time.
Term
light years
Definition
The amount by which you look into the past is equal to the distance to the galaxy measured in _________________________
Term
historical geology
Definition
The branch of Geology that tries to reconstruct the geologic events of Earth's past is called _________________ (2 words)
Term
red
Definition
What color is the longest wavelength of visible light? ________________
Term
variable
Definition
A _______________ could affect the results of an experiment.
Term
nova
Definition
The word __________________ means “new star”.
Term
static model
Definition
The _________________ model was first proposed and supported by Einstein.
Term
nebula
Definition
A large cloud of gas and dust in space is called a __________________.
Term
dependent variable
Definition
This is the “Effect” in a cause and effect relationship. ________________________________
Term
BLACK hole
Definition
Stars with very high mass may expand and form a _____________________ at the end of their life.
Term
meteorology
Definition
_______________________ studies the composition, processes and phenomena of the atmosphere.
Term
independent variable
Definition
The ___________________ (2 words required) is controlled and changed by the experimenter in order to see how it effects other factors.
Term
light-year
Definition
The distance a beam of light would cover in 1 year is called a ____________________.
Term
oceanography
Definition
The science of __________________ includes everything from the composition and movements of sea water to the plants and animals that live in it.
Term
quantitative data
Definition
_______________________ (2 words required) are always in numeric (number) form.
Term
binary star system
Definition
___________________ (3 words) orbit around a mutual fixed point in space called the center of mass.
Term
nebular hypothesis
Definition
The current theory of how our solar system formed is called the __________________ (2 words).
Term
data
Definition
Recorded observations or items of information are called _________________.
Term
constellation
Definition
A formation of stars, like Orion or The Big Dipper is called a ______________________.
Term
astronomy
Definition
The science of ___________________ studies celestial objects, space, and the physical universe outside of our planet.
Term
dependent variable
Definition
The ____________________ (2 words required) responds to changes in another factor.
Term
light-year
Definition
In astronomy, a _______________ is used to measure distances to things that are relatively close. Large distances are measured in parsecs.
Term
meteorology
Definition
A primary focus of __________________ is forecasting the weather.
Term
qualitative data
Definition
______________________ (2 words required) describe actions, color, textures, and other traits not easily measured.
Term
astrophysics
Definition
The properties of dark matter, dark energy, black holes and worm holes would be part of the science of ...._________________________________
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