Top 100 Science Vocabulary – Flashcards
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acceleration
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to increase in speed
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adaptation
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the ability of a species to evolve
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atom
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the smallest particle in an element
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atmosphere
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the area of space around the earth
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bacteria
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a single cell organism that does not contain chlorophyl
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cell
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a single unit of protoplasm in life forms
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chromosome
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a building block of DNA
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climate
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the cycle of weather
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comet
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pieces of space matter with a burning tail
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compound
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two or more chemical elements bound together
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condensation
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moisture produced when temperature varies
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conservation
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preserving natural resources
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chlorophyll
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chemical in plants crucial to photosynthesis
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constant
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non variable; does not change
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constellation
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an arrangement of stars in a pattern
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cytoplasm
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the protoplasm
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damp
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moist; saturated
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decompose
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the organic decay of matter
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density
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the closeness of atoms in an object
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deposition
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the natural collection of elements in soil
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diffusion
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matters ability to disperse
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dissolve
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the separating of elements in solution
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ecology
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the study of the environment and its changes
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ecosystem
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a system dependent upon another system
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electron
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the negatively charged part of an atom
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embryo
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the first stages of fertilization
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energy
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A bodies potential for activity
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environment
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the area required to support life
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equilibrium
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a balanced system
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erosion
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the wearing away of land by natural means
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evaporation
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moisture that returns to the atmosphere from a temperature difference
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evidence
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proof that something occurred
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extinct
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the annihilation of species
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fertilization
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the point where the sperm and the egg unite
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force
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the amount of exertion from the body
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fungus
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a plant that does not contain chlorophyll
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galaxy
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a large collection of planets orbiting stars
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gravity
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the force or pull on an object
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habitat
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the area where species resides
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heredity
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genetic traits passed to an offspring
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homeostasis
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the need of an organism to maintain equilibrium
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humidity
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the percent of moisture measured in the air
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hurricane
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a powerful storm formed over the equator with winds greater than 75mph
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hybrid
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the offspring from parents of different genetic backgrounds
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hydrogen
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the first element in the period table
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neutron
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the unchanged particle of the atom
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nucleus
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the center of an atom or cell
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observation
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the impartial view of a system
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organ
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a system of the body with a specific function; heart, lungs, skin,kidney
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organ system
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organs of the body contained in individual components
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organism
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any life from that is dependent on or contributes to the unit as whole
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photosynthesis
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a plants ability to convert sunlight to food
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planet
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a massive body that rotates around the sun
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pollution
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contamination of the earth with matter that is not biodegradable
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population
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the amount of people in a statistic
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precipitation
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the measure of accumulated moisture
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protist
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a lower life form including protozoa, fungus and algae
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proton
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the positively charged part of an atom
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reservoir
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storage of an resource; usually pertains to water
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respiration
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the body safety measure to maintain a core temperature
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response
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the reaction received when stimulus is applied
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reproduction
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the ability of a life form to produce an offspring
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revolve
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an objects movement in an unchanging orbit
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rock
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a solid formation of a non organic form usually pertained to mineral formation
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rotation
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the circular movement of an body around an axis
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shelter
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protection from natural or man made
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solar
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pertains to the sun
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solid
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maintains its shape; neither liquid or gas
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solution
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a mixture that is homogenous
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speed
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the rate at which a body moves
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star
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a large, gaseous body undergoing nuclear fusion reactions emitting great energy
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stimulus
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the input used to gauge a response
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symbiosis
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two different organisms sharing the same environment
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test
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a measure used to prove a hypothesis
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theory
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the proposal of an idea, philosophy or scientific study
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thunderstorm
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a rain storm that contains thunder or lightning
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tissue
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the layer of cells of a specific structure either animal or plant
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tornado
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a windstorm formed from opposing weather fronts
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transpiration
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the transportation of vapor through pores or a membrane in plants or animals
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vascular
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a vein or arteries passage way
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velocity
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the speed of a body
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vertebrate
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a life form with a spinal column
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volume
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the measure of mass in cubic
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weathering
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the damage caused by weather of an object
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weight
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a bodys relative force dependent on gravity
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inertia
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a bodies tendency to move in one direction or remain still
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inference
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a conclusion determined by deduction
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invertebrate
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a life form without a spine
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invention
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the creation of an original idea, machine, or process
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law
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the arrival of determination by repeated measures
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lightning
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an arc of light produced in a thunderstorm
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liquid
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a viscous body without form that flows freely
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lunar
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pertains to the moon or cycles of the moon
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mammal
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a vertebrate that bears live young
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mass
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the amount of matter of an object
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meteor
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chunks of space debris traveling at random
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mineral
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a metal based element or compound
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mixture
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two or more substances included in a solution
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momentum
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a bodies tendency to move with force
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niche
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a unique area of specialty
