Physics
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Created by:
KRISTYANNBROWN on September 11, 2012
Description:
FINAL EXAM VOCABULARY
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45 terms
Terms | Definitions |
|---|---|
 MATTER | that which has mass and occupies space |
| SOLID | A form of matter that has a definite shape and volume |
| LIQUID | the state in which matter takes the shape of its container and has a definite volume |
| GAS | matter that does not have a definite shape or volume |
| MASS | a measure of the amount of matter in an object |
| VOLUME | the amount of 3-dimensional space occupied by an object |
| PRESSURE | PHYSICAL FORCE EXERTED ON OR AGAINST AN OBJECT |
| GRAVITY | FORCE THAT ATTRACTS A BODY TOWARD THE CENTER OF THE EARTH |
| WEIGHT | FORCE OF GRAVITY ON THE OBJECT |
| MIXTURE | TWO OR MORE SUBSTANCES THAT ARE MIXED TOGETHER BUT KEEP THERE INDIVIDUAL PROPERTIES |
| HOMOGENEOUS | UNIFORM IN COMPOSITION EX. BLOOD, WATER, SUGAR, WINE, TEA, SALTY WATER |
| HETEROGENEOUS | COMBINATION OF SUBSTANCES THAT DOES NOT HAVE A UNIFORM COMPOSITION |
| DENSITY | TELLS HOW MUCH MATTER IS IN A CERTAIN VOLUME |
| ATOM | SMALLEST PARTICLE OF AN ELEMENT THAT CAN BE IDENTIFIED WITH THAT ELEMENT. CONSISTS OF PROTEINS-NEUTRONS IN NUCLEUS |
| COMPOUND | MATERIAL CONTAINING ATOMS OF DIFFERENT ELEMENTS, ATOMS ARE CHEMICALLY BONDED TO EACH OTHER |
| ELEMENT | MATERIAL USING ONLY ONE KIND OF ATOM |
| MOLECULE | SMALLEST PARTICLE OF A COMPOUND WHERE THE PARTICLE HAS THE CHEMICAL PROPERTIES OF THE COMPOUND |
| PROTONS | POSITIVELY CHARGED PARTICLES IN AN ATOMIC NUCLEUS |
| NEUTRONS | A NUCLEON THAT HAS NO ELECTRICAL CHARGE ELECTRICALLY NEUTRAL PARTICLES IN AN ATOMIC NUCLEUS |
| NUCLEUS | CORE OF AN ATOM CONTAINING PROTONS AND NEUTRONS |
| ISOTOPES | ATOMS OF THE SAME ELEMENT THAT HAVE DIFFERENT NUMBER OF NEUTRONS |
| ELASTICITY | PROPERTY OF A SOLID, CHANGE SHAPE EXERIENCED WHEN |
| PLASMA | STATE OF MATTER WITH A POSITIVE IONS AND FREE ELECTRONS |
| PRESSURE | FORCE PER UNIT OF SURFACE AREA, MEASURED IN PASCALS |
| ARCHIMEDES PRINCIPLE | BUOYANT FORCE=WEIGHT OF DISPLACED FLUID |
| BAROMETER | INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE |
| BOYLE'S LAW | DESCRIBES THE RELATIONSHIP BETWEEN THE PRESSURE AND VOLUME OF GAS |
| ATMOSPHERIC PRESSURE | PRESSURE EXERTED BY THE WEIGHT OF THE ATMOSPHERE |
| BUOYANT FORCE | NET UPWARD FORCE OF A LIQUID ON AN OBJECT IN THAT LIQUID |
| BUOYANCY | APPARENT LOSS OF WEIGHT OF OBJECTS WHEN SUBMERGED IN A LIQUID |
| PASCALS PRINCIPLE | FLUID IN AN ENCLOSED AREA WILL DISTRIBUTE ANY CHANGE IN PRESSURE EVENLY THROUGHOUT THE LIQUID DESPITE THE POINTS OF CONTACT |
| PRINCIPLE OF FLOATATION | ANY FLOATING OBJECT DISPLACES FLUID EQUAL TO ITS OWN WEIGHT |
| ROTATION | SPINNING MOTION THAT TAKES PLACE WHEN AN OBJECT ROTATES ABOUT AN AXIS LOCATED WITHIN AN THE OBJECT |
| REVOLUTION | WHEN AN OBJECT TURNS AROUND AN EXTERNAL AXIS |
| CENTRIPETAL FORCE | AN INWARD FORCE THAT CAUSES AN OBJECT TO TRAVEL IN A CIRCLE OR ALONG A CURVE |
| BERNALLIS PRINCIPLE | DESCRIBES THE RELATIONSHIP BETWEEN THE SPEED OF A FLUID AND THE PRESSURE IN A FLUID |
| LIFT | UPWARD FORCE CREATED BY THE DIFFERENCE BETWEEN PRESSURE ABOVE AND BELOW A WING |
| AXIS | STRAIGHT LINE AROUND WHICH ROTATION OCCURS |
| CENTRIFUGAL FORCE | AN OUTWARD FORCE EXPERIENCED BY AN OBJECT THAT IS TRAVELING IN A CIRCLE |
| ION | AN ATOM WITH A POSITIVE OR NEGATIVE CHARGE |
| LINEAR SPEED | DISTANCE TRAVELED PER UNIT OF TIME |
| ROTATIONAL SPEED | NUMBER OF ROTATION PER UNIT OF TIME |
| TANGENTIAL SPEED | SPEED OF SOMETHING MOVING ALONG A CIRCULAR PATH |
| ELECTRONS | NEGATIVELY CHARGED PARTICLES THAT ARE PRESENT OUTSIDE THE NUCLEUS OF AN ATOM |
| SCALING | STUDY OF HOW SIZE AFFECTS THE RELATIONSHIP AMONG WEIGHT,STRENGTH, SURFACE AREA |
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