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Science Nine Weeks

QuestionAnswer
Mineral An object that is a solid form in nature and has never been alive.
rock A natural form solid made of one or more minerals.
Mohs Scale Used to identify the hardness of a mineral
Streak The color left behind a mineral when it is rubbed against a rough white tile
igneous rock rock that was once melted and then cooled and hardened
sedimentary rock rock formed material that has settled into layers
metamorphic rock rock that has been changed through heat and pressure.
loam best soil for farming
weathering breaks down rocks into smaller pieces
erosion the process that moves pieces of rock and soil
fossil the hardened remains of a living thing that lived long ago
extinct a group of living things that are no longer living
petrified wood minerals that replace the wood of a once living tree
mold empty space shaped like a plant or animal
cast looks just like the actual body part of a living thing
sedimentary rock most fossils are found in
saber tooth cat extinct
trace fossil an animal track is an example of
sand, silt clay soil containing the largest grains to the smallest grains
Created by: user-1645508
Popular Earth Science sets

 

 



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