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49 Cards in this Set

  • Front
  • Back
freedom from miskate or error
the degree of refinement with which an operation is performed
Meter (m)
the SI unit of length
Significant Digits
the number of digits in a measurement or calculation which reflect the accuracy of the measurement
Kilogram (kg)
the SI unit of mass
Cubic Meter (m^3)
the SI unit of volume
Liter (L)
the SI unit of liquid volume
mass divided by volume (grams/cm^3)
Specific Gravity
Density of an object divided by the density of water. In the metric system the value of specific gravity is the same as density without units.
Vernier Caliper
an instrument for measuring dimensions with high precision
the distance an object travels per unit time
the speed of an object in a specific direction
Average Velocity
the distance the object moved divided by the time interval
Instantaneous Velocity
the speed at which an object is moving at any given instance
the change in velocity divided by the interval of time in which the change occurs.
Acceleration Due to Gravity (g)
constant acceleration of all freely falling bodies that are close to the earth
the time to complete one vibration
the amount of matter in an object. Mass does not vary with location.
the gravitational force on an object. Weight varies with location
the SI unit of force
Slope of a line
tell how much it is inclined to the horizontal axis. The slope of the line of a graph is found by taking any two points on the line and dividing the rise by the run.
Elastic Body
a body that changes in size or shape upon the application of a distorting force but returns to its original condition upon the removal of that force
Elastic Limit
the greatest distortion a body can undergo and still return to its original shape
Hooke's Law
Within the elastic limit of a substance, the restoring force is proportional to the amount of displacement.

Spring Constant
the constant of proportionality in Hooke's Law equation
Restoring Force
a force produced in a body which is equal and opposite to the applied force
Simple Harmonic Motion
A motion in which the acceleration and the resoring force are at all times proportional to the displacement of a vibration body form the position of equilibrium and are directed towared the point.
the maximum distance that the vibrating body moves from its position of equilibruim (rest)
the distance of the body from its position of equilibruim (rest) at any instant
the time to complete one vibration
the energy that flows as a result of a temperature difference
Specific Heat of a Substance (c)
the amount of heat required to raise the temperature of one gram of any substance by one degree Celsius.
the amount of heat required to raise the temperature of one gram of water by one degree Celsius
Latent Heat of Fusion of Water
the amount of heat required to melt one gram of ice at 0 degrees Celsius into one gram of water at 0 degree Celsius
Latent Heat of Vaporization of water
the amount of heat required to change one gram of water at 100 degree Celsius to one gram of steam at 100 degree Celsius
Law of conservation of heat energy
when heat is transferred from one substance to another, the heat lost from the one substance equals the heat gained by the other
the inner aluminum can in the calorimeter apparatus in which heat exchange takes place
Phase Change
change of state from solid to liquid or from liquid to vapor
Electric Change (Q)
the amount of electricity an object contains
Coulomb (C)
the SI unit of Charge
Electric Current (I)
the rate at which electric change flows through a wire
the SI unit of current
Potential Difference or Voltage
the electrical work required to move a unit positive charge from point A to point B
Volt (v)
the SI unit of potential difference/voltage
Resistance (R) of a conductor
the opposition the conduction gives to the flow of current through it
the SI unit of resistance
Power (p)
the rate at which work is done
the SI unit of power
the SI unit of energy