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Earth Space FLVS Semester 2
FLVS semester 2 prep
45
Science
9th Grade
05/23/2007

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Cards

Term
approximate age of the universe
Definition
12-15 billion years
Term
theory for the formation of the Universe is called
Definition
The Big Bang
Term
What type of galaxy is the Milky Way?
Definition
Spiral
Term
Satellite
Definition
A body that orbits another held in place by a gravitational attraction. Examples: The moon orbits the Earth
Term
spiral galaxy
Definition
[image]
Term
elliptical galaxy
Definition
[image]
Term
irregular
Definition
[image]
Term
what force is believed to be responsible for the attraction between particles of matter, pulling clouds of gases and dust, together to form the stars, planets, and other heavenly bodies?
Definition
gravity
Term
X-rays, infrared radiation, radio waves, ultraviolet light, and visible light are...
Definition
examples of various the different wavelengths of the electromagnetic spectrum
Term
According to the Hertzsprung-Russell diagram what class of star is our Sun?
Definition
Yellow main sequence
Term
Know the phases of the moon
Definition
[image]
Term
In 1957, the Russian satellite, __________was launched starting the space race.
Definition
Sputnik[image]
Term
The best space exploration tool for great distances is what?
Definition
Space Probe
Term
What process takes place in the Sun to generate energy?
Definition
fusion
Term
Satellite transmission and other communications can be disrupted by...?
Definition
solar activity such as solar flares
Term
How does the mass of a star effect its' life span?
Definition
The more massive a star is at "birth," the shorter its life.
Term
Tides are caused by?
Definition
The gravitational pull of the Moon on the Earth.
Term
Alfred Wegener
Definition
Developed the Theory of Continental Drift
Term
Fault were blocks move horizontally past one another
Definition
strike-slip fault[image]
Term
Verticle movement in a fault.
Definition
dip-slip fault [image]
Term
Volcano built of alternating layers of lava flow, ash, and cinders?
Definition
composite[image]
Term
Volcano built from particles and blobs of congealed lava ejected from a single vent. Can reach thousands of feet high.
Definition
cincer cone[image]
Term
Volcano in which flow after flow pours out in all directions from a central summit vent, or group of vents, building a broad, gently sloping cone of flat, domical shape, with a profile much like that of a warrior's shield.
Definition
Shield [image]
Term
volcano built of lava too viscous to flow any great distance; consequently, on extrusion, the lava piles over and around its vent. A dome grows largely by expansion from within.
Definition
Dome [image]
Term
Review various mineral test
Definition
hardness, luster, cleavage, etc.
Term
Besides organic matter some compnents of soil include...
Definition
Sand, clay and silt
Term
This can be part of rocks, has a definite chemical composition and crystal structure such as a diamond and is igneous.
Definition
Mineral
Term
Position on the surface of the Earth of an earthquake.
Definition
Epicenter[image]
Term
Location of actual plate movement underground in an earth quake is called?
Definition
Focus[image]
Term
Atoms whose nuclei are not stable, loose parts of their nucleus through decay.
Definition
Radioactive
Term
Conditions that help the process of fossilization include?
Definition
Hard parts with rapid burial
Term
Age of mammals on the geologic time scale
Definition
Cenozoic
Term
Age of the reptile and the dinosaur on geologic time scale.
Definition
Mesozoic
Term
Age of the invertebrate, fish and amphibian on the geologic time scale.
Definition
Paleozoic
Term
Birth of the earth; earliest life forms took place during the .....time
Definition
Precambrian
Term
Scientists have used a combination of relative dating and absolute dating techniques to create the__________, the "map" of past eras of earth's history.
Definition
geologic time scale
Term
A remnant, or trace, of an organism from a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust is called a
Definition
fossil
Term
Geologists have come to use these fossils as a marker for the relative age of the layer the fossils are found in.
Definition
index fossils
Term
Time in which two or more events are compared without any numerical reference. Use the known age of one object to give an age to another object.
Definition
Relative Time
Term
Time in which time is measured in some unit (seconds, minutes, hours or years as well as radiometric daing and counting tree rings)
Definition
Absolute Time
Term
The amount of time it takes for 1/2 of the parent element of a radio active element to decay to the stable daughter element
Definition
Half-life
Term
Know the parts of the atom
Definition
[image]
Term
Rock type that forms when liquid rock cools above or below ground
Definition
Igneous
Term
Rock type that forms when great amounts of heat and pressure cause the existing rock to reform
Definition
Metamorphic
Term
Rock type that forms when layers of eroded rock material is set down and cemented and solidified.
Definition
sedimentary rock
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