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science vocabulary

science vocab

law of conservation of mass mass can not be created nor destroyed just change form
reactant the materials of the reactant that causes it to happen
product the materials formed from the reaction
flammability able to burn or catch fire
precipitate material formed as a result of chemical change
phase change changing from one state of matter to another
chemical change reaction that forms a new substance evidence includes: formation of precipitate change of temperature,change of color ,and formation of gas
physical property characteristics that can be observed with your senses or measured
period a row on the periodic table
group or family a column on the periodic table
atomic mass the average number of protons and neutrons an atom
element a pure substance that has the 2 or more of the same atoms
compound two or more elements chemically bonded,example water
conductivity able to transmit electricity,heat
unconformity when a rock disturbs a series of undisturbed layers
law of superposition in an undisturbed set layer of rock , the younger rock is on the top and the older rock is on the bottom
half life when the amount of a radioactive element in decreased by half after a period of time
absolute dating Finding the exact date of something
relative dating determining the relative order of past events
index fosil a fossil that is useful for dating
convergent boundary fragments of the lithosphere move toward one another and collide.
divergent boundary a linear feature that exists between two tectonic plates that are moving away from each other.
transform boundary Two plates sliding against each other
fault A crack in the earths fault
igneous rock Is one of the three main rock types
weathering To wash away
ice core is a core sample that is typically removed from an ice
geologic time scale describes the timing and relationship beetween re
convection current
theory of continental drift
River basin/Water shed
Ocean current
Cold seep
Deep ocean (Benthic Zone)
Brackish water
Chemo synthesis
Shore (Intertidal zone)
Open ocean (Pelagic zone)
Created by: 8381168