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39 Cards in this Set
- Front
- Back
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NET FORCE
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THE OVERALL FORCE ACTING ON AN OBJECT
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SPEED
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THE DISTANCE THE OBJECT TRAVELS IN ONE UNIT OF TIME
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KINETIC ENERGY
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THE ENERGY OF MOTION
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BALANCED FORCE
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EQUAL FORCES ACTING ON ONE OBJECT IN OPPOSITE DIRECTIONS
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FORCE
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A PUSH OR PULL ON AN OBJECT
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FRICTION
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THE FORCE THAT ONE SUBSTANCE EXERTS ON ANOTHER WHEN THE TWO RUB AGAINST EACH OTHER
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UNBALANCED FORCE
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WHEN A NET FORCE CHANGES AN OBJECT'S MOTION
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POTENTIAL ENERGY
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ENERGY OF POSITION
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INERTIA
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THE TENDENCY OF AN OBJECT TO RESIST CHANGE IN IT'S MOTIOIN
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WHAT ARE CHANGES IN THE MOTION IN AN OBJECT DETERMINED BY?
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THE SIZE AND DIRECTION OF FORCES ACTING ON IT
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WHAT ARE THE BASIC SI UNITS FOR THE FOLLOWING:
MASS, LIQUID VOLUME, LENGTH, FORCE, DENSITY |
MASS (GRAM), LIQUID VOLUME (LITER), LENGTH (METER), FORCE (NEWTON), DENSITY (GLCM3)
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WHAT'S THE FORMULA FOR SPEED
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SPEED=DISTANCE/TIME
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DEFINE AVERAGE SPEED
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TOTAL DISTANCE DIVIDED BY TOTAL TIME
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CONSTANT SPEED
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THE SPEED OF AN OBJECT DOESN'T CHANGE
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WHAT ARE THE TWO VARIABLES USED TO PLOT MOTION ON A LINE GRAPH
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X, Y MEASURING DISTANCE AGAINST TIME
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THE STEEPNESS OF A SLOPE WHEN GRAPHING MOTION DEPENDS ON __________________________
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HOW QUICKLY OR SLOWLY THE OBJECT IS MOVING
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ON A MOTION GRAPH, WHAT DOES THE HORIZONTAL LINE REPRESENT?
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THE OBJECT IS AT REST OR NOT MOVING, TIME IS PASSING NO DISTANCE
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WHAT IS THE DIFFERENCE BETWEEN MASS AND WEIGHT?
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MASS-A MEASURE OF HOW MUCH MATTER IS IN AN OBJECT
WEIGHT-A MEASURE OF FORCE OF GRAVITY ON AN OBJECT (AN AUSTRONAUT'S WEIGHT CHANGES ON MOON BUT MASS DOES NOT CHANGE) |
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WHAT IS THE AVERAGE SPEED OF THE OBJECT?
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TOTAL DISTANCE DIVIDED BY TOTAL TIME
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PULLEY
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A SIMPLE MACHING CONSISTING OF A GROOVED WHEEL WITH A ROPE, CHAIN, OR CABLE WRAPPED AROUND IT
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LEVER
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A SIMPLE MACHINE CONSISTING OF A RIGID OBJECT THAT PIVOTS ABOUT A FIXED POINT
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WEDGE
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A SIMPLE MACHINE CONSISTING OF A DEVICE THAT IS THICK AT ONE END AND TAPERS TO A THIN EDGE AT THE OTHER
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SCREW
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A SIMPLE MACHINE THAT CONSISTS OF AN INCLINED PLANE WRAPPED AROUND A CENTRAL VYLINDER TO FORM A SPIRAL
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INCLINED PLANE
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FLAT, SLANTED SURFACE
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WHEEL AND AXLE
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A SIMPLE MACHINE CONSISTING OF TWO CIRCULAR OR CYLINDRICAL OBJECTS THAT ARE FASTENED TOGETHER AND ROTATE ABOUT A COMMON AXIS
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WHAT IS A MENISCUS?
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THE CURVED SURFACE OF LIQUID IN A CONTAINER
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HOW DO YOU READ A MEASUREMENT ON A GRADUATED CYLINDER?
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YOU MUST READ THE LEVEL (MENISCUS) AT THE LOWEST POINT
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MASS
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A MEASURE OF HOW MUCH MATTER IS IN AN OBJECT
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VOLUME
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THE AMOUNT OF SPACE THAT A MATTER OCCUPIES
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DENSITY
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THE MEASUREMENT OF HOW MUCH MASS OF A SUBSTANCE IS CONTAINED IN A GIVEN VOLUME
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HOW DO YOU CALCULATE THE DENSITY OF AN OBJECT?
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DENSITY= MASS/VOLUME
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WHY ARE MASS AND WEIGHT DIFFERENT WHEN YOU GO INTO SPACE?
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BECAUSE YOUR WEIGHT DECREASES BUT MASS STAYS THE SAME
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TO ALLOW ITS PASSENGERS TO SURVIVE IN SPACE FOR SEVERAL WEEKS, THE DESIGN OF A SPACECRAFT MUST BE MOST LIKE THAT OF A ___________________
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SUBMARINE
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WHAT IS THE STRONGEST FORCE A ROCKET MUST OVERCOME TO REACH ORBIT?
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GRAVITY
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WHAT IS THE DIFFERENCE BETWEEN ROTATION AND REVOLUTION?
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ROTATION IS THE SPINNING MOTION OF AN OBJECT ABOUT ITS AXIS AND REVOLUTION IS THE MOVEMENT OF AN OBJECT AROUND ANOTHER OBJECT
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METEOR
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A STREAK OF LIGHT IN THE SKY PRODUCED BY A BURNING OF A METEOROID IN THE EARTH'S ATMOSPHERE
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METEOROID
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A CHUNK OF ROCK OR DUSK IN SPACE
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METEORITE
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A METEROROID THAT HAS HIT THE EARTH'S SURFACE
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LIST THE PLANETS IN ORDER FROM THE SUN
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MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE
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