Introduction and Physical Quantities
A country that uses the imperial system of measurements
The resistance an object encounters while moving
What is friction?
The smallest unit of matter
What is an atom?
The thermal energy transferred between systems due to a temperature difference
What is heat?
The section of the EM spectrum that humans can see
How close a measurement is to the actual value
What is accuracy?
The tendency of an object to remain at rest or in constant motion depending on its initial state
What is inertia?
What is plasma?
The tendency of matter to change in shape, volume, and area in response to a change in temperature
What is thermal expansion?
Represented as c and defined as 3.0 x 108 m/s
What is the speed of light?
The Greek Word for nature
The motion of an object that is thrown into the air and where it is only subject to the acceleration of gravity
What is projectile motion?
Defined as mass over volume
What is density?
When two objects have the same temperature
What is thermal equilibrium?
The number of vibrations that pass over a given spot in one second
What is frequency?
The process of objectively establishing facts through testing and experimentation
What is the scientific method?
Often labeled as not real, this force is the tendency of an object moving in a circle to travel away from the center of the circle
What is centrifugal force?
The transition from a solid to a gas
What is sublimation?
The measurement of disorder within a system
What is entropy?
In space no one can hear you scream. What is a space devoid of matter?
What is a vacuum?
A global standard for expressing the magnitudes or quantities of important natural phenomena
What is International System of Units?
The type of collision where kinetic energy is conserved
What is elastic collision?
The net upward force on any object in any fluid
What is buoyant force?
Device which are used to convert thermal energy into mechanical energy to do work
What is a heat engine?
The change in wave frequency during the relative motion between a wave source and its observer
What is the Doppler effect?