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Earth Science
Semester 1 Review
94
Science
10th Grade
12/12/2011

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Cards

Term
What causes regional metamorphism?
Definition
plate tectonics
Term
What causes ripple marks?
Definition
water, wind and sand
Term
What is a type of rock that has rounded pebbles?
Definition
conglomerate
clastic
sedimentary rock
Term
What is an organic sedimentary rock?
Definition
limestone
Term
Felsic rocks are high in what?
Definition
silica
Term
How does a sedimentary rock become metamorphic?
Definition
heat and pressure
Term
What type of rock is made from magma that cools slowly?
Definition
Igneous intrusive rock
Term
What two processes are responsible for changing sediment into sedimentary rock?
Definition
pressure and cementation
Term
What is metamorphism?
Definition
change of one type of rock into another type of rock through heat and pressure
Term
What is the parent material for all rock?
Definition
magma or igneous rock
Term
What is a minerals ability to glow after exposure to light?
Definition
phosphorescence
Term
What is the most common magnetic mineral?
Definition
magnetite
Term
What is a mineral that the atoms are tightly bonded together?
Definition
density
Term
How do you measure hardness?
Definition
Mohs Hardness Scale
Term
What is density?
Definition
ratio of mass of a substance to its volume
Term
What are properties of a mineral?
Definition
Color, luster, hardness, streak, cleavage, density
Term
What are examples of minerals?
Definition
gypsum and calcite
Term
How many atoms of each element K2SO4?
Definition
K-2
S-1
O-4
Term
What is shared in covalent bonds?
Definition
electrons
Term
What are the charges of a proton, neutron and electron?
Definition
Proton is positive
Neutron is neutral
Electron is negative
Term
What is the maximum number of electrons is each orbital?
Definition
First orbital is 2
next are 8
Term
What is an isotope?
Definition
Different number of neutrons
Term
What is an ion?
Definition
Element with a positive or negative charge that gains or loses an electron
Term
Where are protons, neutrons and electrons located?
Definition
Protons-Nucleus
Neutrons-Nucleus
Electrons-Electron Cloud
Term
What is an atom?
Definition
Smallest unit of element
Term
What is the smallest subatomic particle?
Definition
electron
Term
How many elements occur naturally?
Definition
93
Term
Name the planets in order
Definition
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Term
What is the smallest planet?
Definition
Mercury
Term
What is the largest planet?
Definition
Jupiter
Term
What are the terrestrial planets and what are they composed of?
Definition
Mercury, Venus, Earth and Mars and they are composed of rock (land)
Term
What is a satellite?
Definition
object in orbit around a body with a larger mass
Term
Planets are kept in place by what force?
Definition
gravity
Term
Who was the first astronomer to mathematically model planet motion?
Definition
Kepler
Term
What is intertia?
Definition
tendency of a moving body to remain in motion or a stationary body to remain at rest until an outside force acts on it
Term
What does a magnetic field indicate about a planet?
Definition
That it has a sold metal core
Term
What shields the Earth from UV rays?
Definition
ozone
Term
Who was the first to propose a heliocentric model of the solar system
Definition
Copernicus
Term
Where does Oxygen that we breath come from
Definition
photosynthesis
Term
What is an astronomical unit equal to?
Definition
distance from Earth to Sun
Term
What are planetesimals?
Definition
too small to be a planet
Term
What planets are the gas giants?
Definition
Jupiter, Saturn, Uranus and Neptune
Term
What causes auroras?
Definition
Solar winds hitting Earth's atmosphere
Term
What is the most violent of all solar disturbances?
Definition
solar flare
Term
What are sun spots?
Definition
cooler regions due to magnetic fields
Term
What is a corona?
Definition
Outside ring of the Sun
Term
What is the photosphere?
Definition
Where light is emitted
Term
What is the chromosphere?
Definition
Where color is emitted
Term
What is convection?
Definition
transfer of heat throught the movement of the heated material
Term
What are galaxies?
Definition
huge groups of stars
Term
What are the stages in the life of a star?
Definition
Nebula, Protostar, Main Sequence, Giant, Super Giant and dwarf
Term
What is a black hole?
Definition
a collapsed star that implodes on itself where no light can escape
Term
What is an HR diagram?
Definition
Measures temperature and magnitude
Term
Where is our sun in the HR diagram?
Definition
Main sequence
Term
What type of star is our sun?
Definition
main sequence
Term
Hydrogen fuses into what in our sun?
Definition
Helium
Term
How long does it take light to reach us from the sun?
Definition
8 minutes
Term
A star moving away from Earth would show what shift?
Definition
Red
Term
What is the doppler effect?
Definition
apparent shift in the wavelength energy such as a sound wave or a light wave emitted by a source moving away from or toward an observer
Term
What is a spectroscope?
Definition
instrument that splits white light into a band of colors
Term
What are geosynchronous satellites used for?
Definition
communications
Term
What are landsat satellites used for?
Definition
surface features
Term
What are navigation satellites used for?
Definition
GPS
Term
What is a polar orbit?
Definition
Pole to Pole orbit that takes a new image each orbit
Term
What are the time zones of the US and what are is the time difference?
Definition
Eastern
Central
Mountain
Pacific
1 hour difference
Term
If you have 12 hours of daylight and 12 hours of darkness in Antarctica, what day is it?
Definition
Summer Solstice
Term
When the south pole tilts twoard the sun the northern hemisphere experiences what?
Definition
winter
Term
What month is the winter solstice?
Definition
December (22)
Term
What is it called when the Earth is farthest from the sun? closest?
Definition
Aphelion
Perihelion
Term
What would happen if we increased the rotation rate of the Earth?
Definition
more days in the calendar
Term
What is the magnetosphere?
Definition
region of space affected by Earth's atmosphere
Term
What is the boundary between Earth's crust and the Mantle?
Definition
Moho
Term
Where do seismic waves come from?
Definition
Earthquakes and explosions
Term
How did scientists determine the structure of the Earth's interior?
Definition
Earthquakes
Term
What is the make up of the Earth's interior?
Definition
Inner core
Outer core
Mantle
Moho
Crust
Term
Where is the Moho found?
Definition
between mantle and crust
Term
Which zone is made up up liquid iron?
Definition
Outer core
Term
What is the most abundant gas in the Earth's atmosphere?
Definition
nitrogen
Term
What is the lithosphere made up of?
Definition
crust and mantle (Moho)
Term
What percent of Earth's hydrosphere is made of the salt water?
Definition
97%
Term
What material makes up the athenosphere?
Definition
solid rock with the ability to flow
Term
What is red shift and what is it evidence for?
Definition
apparent lengthening of the light waves emitted by by a star moving away from the Earth
expansion of galaxies
Term
Identify the parts of a wave
Definition
The higher part is the crest and the lower is a trough
Term
When a light moves toward you it appears to be
Definition
shorter and smaller
Term
What is a well established and proven theory?
Definition
law
Term
What is a hypothesis that is supported by the results of experimentation?
Definition
theory
Term
What is the first step to solving a problem?
Definition
identifying the problem
Term
What is a possbile explanation to a problem?
Definition
hypothesis
Term
How do we collect or gather information?
Definition
measure or experiment
Term
What is the largest ecosystem?
Definition
Biosphere
Term
What does the Earth's ozone layer do?
Definition
protect us from UV rays
Term
Contact metamorphism is caused primarily by what?
Definition
when magma touches rock
Term
What does an astronomer study?
Definition
stars, planets---the universe
Term
What are the biospheres on Earth?
Definition
Rainforest, desert, Tundra
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