Shared Flashcard Set

Details

Vocab Test Review
Aaron England/Mr. Whites Integrated Science Class
76
Science
9th Grade
04/18/2007

Additional Science Flashcards

 


 

Cards

Term
Electronics
Definition
The science of using electric currents to process or transfer information.
Term
Electronic Signal
Definition
Information sent as patterns in the controlled flow of electrons through a circuit.
Term
Analog Signal
Definition
A smoothy varying signal produced by continously changing the voltage or current in a circuit.
Term
Digital Signal
Definition
A signal that encodes information as a string of 1's and 0's.
Term
Semiconductor
Definition
A crystalline solide that conducts electric current only under certain conditions.
Term
Diode
Definition
A solid component with an n-type semiconductor joined by a p-type semiconductor.
Term
Transistor
Definition
A solid state component with three layers of semiconductor material used to turn current on or off to increase the strength of the electric current.
Term
Integrated Circuit
Definition
A thin line of silicon that contains many solid-state components, including microchips.
Term
Computer
Definition
A programmable device that can store and process information.
Term
Mechanical Waves
Definition
A disturbance in matter that carries energy from one place to another.
Term
Medium
Definition
The material in which a wave travels through.
Term
Crest
Definition
The highest point of a transverse wave.
Term
Trough
Definition
The lowest point of a transverse wave.
Term
Transverse Waves
Definition
Waves that cause a medium to vibrate at right angles to the direction in which the wave travels.
Term
Compression
Definition
An area of a longitudinal wave where the particles of a medium are close together.
Term
Compression
Definition
An area of a longitudinal wave where the particles of a medium are close together.
Term
Rarefraction
Definition
An area of a longitudinal wave where the particles of the medium are spread out.
Term
Longitudinal Wave
Definition
A wave in which the vibration of the medium is parralel to the direction that the wave travels.
Term
Surface Wave
Definition
A wave that travels along the surface seperating two media,a transverse wave that devolopes when seismic waves reach.
Term
Periodic Motion
Definition
Any motion that repeats at regular time intervals.
Term
Period
Definition
A unit of geological time into which geologists divide eras.
Term
Frequency
Definition
The number of complete cycles per unit time for a periodic motion.
Term
Hertz
Definition
The unit of measure for frequency equal to one cycle per second.
Term
Wavelength
Definition
The distance between a point on a wave and the same point on the next cycle of the wave.
Term
Amplitude
Definition
The maximum displacement of a medium from the rest position.
Term
Reflection
Definition
The intetrsection that occurs when a wave bounces off of a surface that cant pass through it.
Term
Refraction
Definition
The bending of a wace as it enters a new medium at a new angle.
Term
Diffraction
Definition
The bending of a wave as it moves around an obstacle or passes through a narrow opening.
Term
Interference
Definition
The interaction of two (2) ▐▐◘▐▐ or more waves that combine in a region to overlap.
Term
Constructive Interference
Definition
The Interaction two (2) or more waces in which displacements combine to make a wave with a larger displacement.
Term
Destructive Interference
Definition
The intersection among two (2) or more waves in which the displacements combine to make a wave with a smaller displacement.
Term
Standing Wave
Definition
A wave that appears to stay in one place and does not seem to move through the medium.
Term
Note
Definition
A point on a standing wave that has no displacement.
Term
Antinode
Definition
A point of maximum displacement midway between two NOTES in a standing node.
Term
Sound Waves
Definition
A long wave consisting of compressions as well as rarefractions which travels through a medium.
Term
Intensity
Definition
The rate at which waves energyflows through a given unit of area.
Term
Decibal
Definition
A unit that compares the interists of different sounds.
Term
Loudness
Definition
A physical response to the intensity of sound modified by physical features.
Term
Pitch
Definition
The frequency of a sound as a listener percieves it.
Term
Sonar
Definition
A technique for determining the distance to an object under water.
Term
Dopplar Effect
Definition
A change in sound frequency caused by motion of a sound source, motion of the listener, or both.
Term
Resonance
Definition
The response of a standing wave of the same with dramatic increases in amplitude if the standing wave.
Term
Electronic Waves
Definition
A transverse wace consisting of changing electronic and magnetic fields.
Term
Electonic Field
Definition
A field in a region of space that exerts electric forces on changed particles; a field provided by electic charges.
Term
Magnetic Field
Definition
A field in a region of space that exerts magnetic forces; a field produced by magnets, by changing electic fields or by charges.
Term
Electromagnetic Addition
Definition
The transfer of energy through electromagnetuc waves.
Term
Photoelectric Effect
Definition
The emissions of electrons from a metal caused by light sstriking the metal.
Term
Photons
Definition
A packet of electromagnetic energy.
Term
Intensity
Definition
The rate at which a waves energy flows through a given unit of an area.
Term
Electromagnetic Spectrum
Definition
The full range of electromagnetic radiation.
Term
Amplitude Modulation
Definition
A method of transmitting a radio signal in which the amplitude of the carrier wave varies while its frequency remains the same.
Term
Frequency Modulation
Definition
A method of transmitting a radio signal so the carrier wave varies, yet its amplitude remains the same.
Term
Thermograms
Definition
A color coded picture using variations in infrared radiation to show variations in temperature.
Term
Transparent
Definition
Allows light to go through it.
Term
Translucent
Definition
A description of a material that scatters light through it.
Term
Opaque
Definition
A description of a material that either absorbs reflects all of the light that strikes it so that nothing can be seen through it.
Term
Image
Definition
A copy of an object formed by reflection or refracted rays of light.
Term
Regular Reflection
Definition
A reflection that occurs when when parralel light waves strike the surface and all reflect in the same way or direction.
Term
Diffuse
Definition
Reflection that occurs when parralel light strike a rough, uneven surface and reflect in many other different directions.
Term
Mirage
Definition
A fake or distorted object.
Term
Polarized Light
Definition
A type of light including light with waves that vibrate in only one plane.
Term
Scattering
Definition
A process by which light is redirected as it passes through the a medium.
Term
Dispersion
Definition
The process in which light white seperates into other colors.
Term
Primary Colors
Definition
Three (3) specific that can be combined to make thousands of variations of other colors, as well as hundreds of shades of an individual color.
Term
Secondary Colors
Definition
A new color that is a result of two or more primary colors combining.
Term
Complimentary Colors of Light
Definition
Any colors of light that combine to make white light.
Term
Complimentary Colors of Pigment
Definition
Any two (2) colors of pigment that can combine to make a black pigment.
Term
Pigment
Definition
A material that selectively absorbs certain colors of light and reflects other colors.
Term
Conduction
Definition
The transfer of thermal with NO overall transfer of matter.
Term
Thermal Conductor
Definition
A material that conducts thermal energy well.
Term
Thermal Insulator
Definition
A material that conducts thermal energy poorly.
Term
Convection
Definition
The transfer of thermal energy when particles of a fluid move from one place to another.
Term
Convection Current
Definition
Circulation of a fluid in a loop as the fluid heats or cools.
Term
Radiation
Definition
The transfer of energy by waves moving through space.
Term
Thermodynamics
Definition
The study of conversions between thermal and other energy forms.
Term
Heat Engine
Definition
Any device that convects thermal energy into work.
Supporting users have an ad free experience!