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sciencematthew

science midterm

QuestionAnswer
What is radioactive radioactive is an unstable isotope
what is the rock cycle a never ending cycle of rocks that keep changing in a cycle
what is strata layers of sedimentary rock
what is stratification building up of layers
what is magma on the surface lava
what is an isotope it has the same number of protons but different number of neutrons.
what is a mineral a naturally formed inorganic solid that has a definite crystaline structure
what is a compund a substance made of two or more elements that have been chemically joined
what is a streak the color of the powder of a mineral
what is cleavage the splitting of a mineral along smooth flat surfaces
what is fracture when a mineral breaks along a curved or irregular surface
what is luster the way a mineral reflects light
what is hardness a measure of the ability of a mineral to resist scratching
what is density the ratio of mass of a substance to the volume of a substance
what is a fossil and mark or imprint left by an organism in the past
what mineral has the lowest hardness on mohs hardness scale talc
what mineral has the highest hardness on mohs hardness scale diamond
what is the special ability of a mineral to glow under ultraviolet light fluorescence
Created by: SeaNanners
Popular Earth Science sets

 

 



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