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1-22 TEST
SCIENCE VOCABULARY
| Question | Answer |
|---|---|
| THE ABILITY TO DO WORK | ENERGY |
| THE ABILITY TO GET SOMETHING MOVING | MECHANICAL ENERGY |
| A FIXED, UNMOVING OBJECT NEEDED TO DETERMINE WHETHER ANOTHER OBJECT HAS CHANGED POSITION | REFERENCE POINT |
| THE RATE WHICH AN OBJECT TRAVELS. DETERMININED BY DIVIDING THE DISTANCE BY THE AMOUNT OF TIME THE OBJECT TAKES TO TRAVEL | SPEED |
| THE DISTANCE AN OBJECT MOVES OVER A GIVEN AMOUNT OF TIME IN A CERTAIN DIRECTION | VELOCITY |
| THE CHANGE OF VELOCITY DURING A PERIOD OF TIME | ACCELERATION |
| A PUSH OR PULL | FORCE |
| A FORCE THAT KEEPS OBJECTS FROM MOVING | FRICTION |
| THE MASS AND VELOCITY(SPEED DIRECTION) OF AN OBJECT | MOMENTUM |
| THE RESISTANCE TO A CHANGE IN MOTION | INERTIA |
| ONE FORCE THAT KEEPS AN OBJECT FROM MOVING INDEFINITELY IN A STRAIGHT LINE | GRAVITY |
| AN OBJECT TENDS TO STAY AT THE SAME VELOCITY, AN OBJECT AT REST TENDS TO STAY AT REST AND AN OBJECT IN MOTIONS TENDS TO STAY IN MOTION UNLESS ACTED ON BY SOME OUTSIDE FORCE | 1ST LAW OF MOTION |
| THE ACCELERATION OF AN OBJECT IS RELATED TO THE OBJECTS MASS AND THE AMOUNT OF FORCE BEING EXERTED ON THE OBJECT CAN BE WRITTEN AS MASS X ACCELERATION=FORCE | 2ND LAW OF MOTION |
| ALL FORCES COME IN PAIRS. WHEN AN OBJECT EXERTS A FORCE ON ANOTHER OBJECT THE SECOND EXERTS AN EQUAL FORCE BACK ON THE FIRST OBJECT. ALSO CALLED THE LAW OF ACTION AND REACTION | 3RD LAW OF MOTION |