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BT Science trimester2 2012
by: Devon!!!! :)
25
Science
8th Grade
02/22/2012

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Cards

Term
the part of earth in the center of the universe
Definition
Geocentric
Term
earth and the other planets orbit the sun in perfect circles
Definition
helicentric
Term
expalin and describe the process that impact the planets
Definition
gravity
force of the planets casue sun to orbit
casues objects to fall out of orbit
5 processes tectonis-crust changing elf explaintory!weathering-process of wearing down like of a rock ersoion-when sediment is moved from one place to another! impact cratering-crud hit a planet and makes a crater!
Term
Fromation of the solar system...
Definition
started with cloud from outer space contains dust and sand called nebula
cloud collapse and turns to flattened disk may contain stars and other materials which then when taken out create the planets!
Term
a day on mercury is how many days on earth...
Definition
176 days!!!
Term
earth has an atmosphere made up of..
Definition
nitrogen carbon dioxide and oxygen
Term
Are called the blue planets!
Definition
Uranus and neptune!
Term
Have a deep atomsphere
Definition
gas planets
Term
Compose primarly of rock and metal
Definition
terrestrial planets!
Term
trapping of radiant energy by gases...
Definition
green house effect :)
Term
has large volcanos in the solar system..
Definition
mars
Term
Has 13 satellites
Definition
neptune
Term
has the most extensive ring in the solar system
Definition
saturn ;)
Term
LArgest planet in the solar system
Definition
jupiter!
Term
process of change in a crust due to motion of hot material underneath
Definition
tectonics
Term
Process od molten material moving from a space bodys hot interior onto its surface
Definition
volcanism!
Term
Process that occurs when a round pit is left on the surface of a planet
Definition
impact cratering!
Term
known as the orbital period
Definition
revolution
Term
movement or path of the earth turning on its axis
Definition
rotation
Term
equal to he mass of the body times the local acceleration of gravity
Definition
weight!
Term
a measure of how much matter an object is made of
Definition
mass!!!!
Term
planets orbit around the sun in an elliptical path
Definition
KEPLERS 1st LAW!!!!
Term
Major object which orbits around a star!
Definition
planets
Term
sun planets and other planets formed
Definition
solar system
Term
huge cloud of dust that colapsed into a flat disk...
Definition
Solar Nebula
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