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Science Vocabulary
Science Vocabulary to review for NYS exam
53
Science
4th Grade
04/13/2007

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Term
STANDARD UNIT
Definition
A UNIT OF MEASURE LIKE THE INCH OR YARD THAT PEOPLE AGREE TO USE
Term
ADAPTATION
Definition
A SPECIAL TRAIT THAT HELPS AN ORGANISM TO SURVIVE
Term
ECOSYSTEM
Definition
ALL THE LIVING AND NON-LIVING THINGS WITHIN AN ENVIRONMENT AND HOW THEY INTERACT
Term
DENSITY
Definition
THE AMOUNT OF MATTER MAKING UP AN OBJECT
Term
CAMOUFLAGE
Definition
AN ADAPTATION BY WHICH AN ANIMAL CAN HIDE BY BLENDING IN WITH ITS SURROUNDINGS.
Term
FORCE
Definition
ANY PUSH OR PULL THAT MAKES AN OBJECT START MOVING, STOP MOVING, SPEED UP, SLOW DOWN OR CHANGE DIRECTION.
Term
BUOYANCY
Definition
UPWARD FORCE OF WATER OR ANOTHER LIQUID (OR AIR) THAT KEEPS THINGS AFLOAT.
Term
DECOMPOSER
Definition
AN ORGANISM THAT BREAKS DOWN WASTE AND THE REMAINS OF OTHER (DEAD) ORGANISMS.
Term
METRIC UNIT
Definition
A SYSTEM OF MEASUREMENT BASED ON UNITS OF TEN.
Term
CIRCUIT
Definition
A COMPLETE PATH THROUGH WHICH ELECTRICITY CAN FLOW.
Term
CONDENSATION
Definition
THE PROCESS IN WHICH WATER PARTICLES CHANGE FROM GAS TO A LIQUID.
Term
GRAM
Definition
UNIT USED TO MEASURE THE MASS OF SMALL OBJECTS.
Term
CONDUCTOR
Definition
A MATERIAL THROUGH WHICH HEAT OR ELECTRICITY FLOWS EASILY.
Term
CONSUMER
Definition
ANY ORGANISM THAT EATS A PRODUCER (PLANT) OR EATS ANOTHER CONSUMER (ANIMAL)
Term
INSULATOR
Definition
A MATERIAL THROUGH WHICH ELECTRICITY OR HEAT DOES NOT FLOW THROUGH EASILY.
Term
MASS
Definition
THE AMOUNT OF MATTER IN A GIVEN SPACE OR OBJECT.
Term
DIAMETER
Definition
A STRAIGHT LINE SEGMENT THAT GOES FROM ONE SIDE OF A CIRCLE, THROUGH THE CENTER, TO THE OTHER SIDE.
Term
CURRENT ELECTRICITY
Definition
A MOVING ELECTRICAL CHARGE (LIKE THROUGH A WIRE)
Term
ENERGY
Definition
THE ABILITY TO WORK, EITHER TO MAKE AN OBJECT MOVE OR TO CHANGE INTO MATTER
Term
LIFE CYCLE
Definition
THE STAGES OF GROWTH AND CHANGES IN AN ORGANISMS LIFE.
Term
GERMINATION
Definition
THE SPROUTING OF A SEED INTO A NEW PLANT.(SEEDLING)
Term
LEARNED BEHAVIOR
Definition
BEHAVIOR THAT IS NOT INBORN. IT MUST BE TAUGHT.
Term
PRODUCER
Definition
AN ORGANISM, SUCH AS A PLANT, THAT MAKES IT'S OWN FOOD.
Term
FOOD CHAIN
Definition
A SET OF STEPS IN WHICH ORGANISMS GET THE FOOD THEY NEED TO SURVIVE. IT ALWAYS BEGINS WITH THE SUN.
Term
FOOD PYRAMID
Definition
A CHART THAT SHOWS HOW MANY SERVINGS OF EACH FOOD GROUP A PERSON WHOULD EAT EACH DAY
Term
LIFE SPAN
Definition
HOW LONG AN ORGANISM CAN BE EXPECTED TO LIVE.
Term
OVERPOPULATION
Definition
A DEPLETION OF RESOURCES THAT OCCURS WHEN TOO MANY OF AT LEAST ONE KIND OF LIVING THING INHABITS AN ECOSYSTEM.
Term
HABITAT
Definition
THE HOME OF AN ORGANISM
Term
MATTER
Definition
ANYTHING THAT HAS MASS AND TAKES UP SPACE.
Term
MELT
Definition
WHEN WATER PARTICLES ABSORB HEAT ENERGY AND CHANGE FROM A SOLID TO A LIQUID.
Term
HEREDITY
Definition
THE PASSING OF TRAITS FROM PARENTS TO OFFSPRING.
Term
WATER CYCLE
Definition
THE CONTINUOUS MOVEMENT OF WATER BETWEEN EARTH'S SURFACE AND THE AIR, CHANGING FROM A LIQUID TO A GAS (EVAPORATION) AND BACK TO A LIQUID.(CONDENSATION & PRECIPIATATION)
Term
EQUAL
Definition
BEING EXACTLY THE SAME IN AMOUNT OR MEASUREMENT.
Term
TIDE
Definition
THE RISE AND FALL OF THE OCEAN WATER LEVELS
Term
MIGRATE
Definition
TRAVELING FROM ONE PLACE TO ANOTHER AT REGULAR TIMES OF THE YEAR.
Term
DEPOSITION
Definition
THE DROPPING OFF OF SOIL AND ROCK PARTICLES BY WAVES, WIND, RUNNING WATER OR A GLACIER.
Term
IDENTICAL
Definition
BEING EXACTLY ALIKE
Term
ENVIRONMENT
Definition
SURROUNDING CONDITIONS THAT DETERMINE HOW LIVING THINGS GROW AND DEVELOP
Term
SEASONAL
Definition
COMING WITH A CERTAIN SEASON
Term
PROPERTY
Definition
A CHARACTERISTIC OR QUALITY OF A THING
Term
TRANSFER
Definition
TO CAUSE A MOVE FROM ONE PLACE TO ANOTHER
Term
GRAVITY
Definition
AN INVISIBLE FORCE THAT PULLS ALL OBJECTS TOWARDS EACHOTHER
Term
ADAPT
Definition
TO CHANGE SO AS TO BE FIT FOR A DEFINITE CONDITION. (FOR SURVIVAL)
Term
PRECIPITATION
Definition
WATER IN THE ATMOSPHERE THAT FALLS TO EARTH AS RAIN, SNOW, SLEET OR HAIL.
Term
BEHAVIOR
Definition
THE WAY IN WHICH LIVING THINGS ACT IN RESPONSE TO THEIR ENVIRONMENT.
Term
DISPERSE
Definition
TO SCATTER. TO MOVE OR SEND IN DIFFERENT DIRECTIONS
Term
FUNCTION
Definition
ITS USE OR THE PROPER ACTIVITY FOR IT.
Term
OPINION
Definition
A BELIEF BASED ON WHAT ONE THINKS OR FEELS BUT NOT BASED ON FACT.
Term
FRICTION
Definition
A FORCE BETWEEN SURFACES THAT SLOWS OBJECTS DOWN OR STOPS THEM FROM MOVING.
Term
PREDATOR
Definition
AN ANIMAL THAT HUNTS OTHER ANIMALS FOR FOOD.
Term
ORGANISM
Definition
A LIVING THING THAT CARRIES OUT THE FIVE BASIC LIFE FUNCTIONS ON IT'S OWN.
Term
INHERIT
Definition
TO BE BORN WITH.
Term
NUTRIENT
Definition
A SUBSTANCE THAT LIVING THINGS NEED FOR PROPER GROWTH AND GOOD HEALTH.
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