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nour703earthscience

7th grade terms

QuestionAnswer
mantle thin layer of tissue that covers mollusk's body and that can secrete a shell
crust outer layer of the earth
bias personal opinion
contiental drift wegeners hypothesis that all contients were once connected in a single large landmass that broke apart about 200 million years ago and drifted slowely to their current positions.
convection current current in earths mantle that transfers heat in earths interior and is the driving force for plate tectonics
earthquake movement of the ground that occurs when rocks inside earth pass their elastic limit break suddenly and experience elastic rebound
equator imajinary line that wraps around earth at 0degrees latitude halfway between the north and south poles.
hypothesis an educated guess or idea
lithosphere rigid layer of earth about 100km thick made of the crust and a part of the upper mantle
latitude distance in degrees north or south of the equator
longitude distance in degrees east or west of the prime merdian
magnitude a measure of the energy released by an earthquake
map legend explains the meaning of symbols used on a map
pangaea large ancient landmass that was composed of alol the contienents joined together
platelet irregularly shaped cell fragment that helps clot blood and release chemicals that help form fibrin.
prime meridian imajinary lines that represents 0 degrees longitude and runs from the north pole through greenwich, england to the south pole
scientific theory explanition that is supported by results froma repeated experimenation or testing
Created by: nour23
Popular Earth Science sets

 

 



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