Shared Flashcard Set

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final on
thursday
23
Science
7th Grade
12/15/2010

Additional Science Flashcards

 


 

Cards

Term
when scientists study the natural world and propose explanantions based on the evidence they gather
Definition
scientific inquiry
Term
use this to measure volume of liquids
Definition
graduated cylinder
Term
the step of the water treatment process when chlorine is added to kill pathogens
Definition
disinfection
Term
a chemical that kills or slows the growth of bacteria in a cell
Definition
vaccine
Term
a germ
Definition
pathogen
Term
a disease that causes cells to multiply uncontrollably and destroy healthy tissue
Definition
cancer
Term
a jelly like substanse in a cell that supports then organelles
Definition
cytoplasm
Term
packages proteins in a cell
Definition
golgi body
Term
controls all the activities in a cell
Definition
nucleas
Term
break down foods in the animal cell
Definition
lysosmes
Term
transports cells to the other parts in the cell
Definition
endoplasmic retuculum
Term
male sex cell in a plant
Definition
pollen
Term
female sex cell in a plant
Definition
ovary
Term
the male sex cell in humans or animals
Definition
sperm
Term
the female sex cell in humans or animals
Definition
egg cell
Term
remains or traces of ancient life
Definition
fossils
Term
the process of how a species changes over time
Definition
evolution
Term
occurs when the sperm and the egg unite
Definition
fertilization
Term
the first step of mitosis
Definition
interphase
Term
the end of mitosis that ends in two nuclei
Definition
telophase
Term
the measure of visual cloudiness
Definition
turbidity
Term
the part of water treatment process when chemicals are added to coagulate the particles
Definition
flocculation
Term
the mixing of water to release disolved gasses and suspend particles
Definition
aeration
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