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WorksheetsLight, Seismic Waves, and Telecommunications
Total questions: 20
Worksheet time: 10mins
_______________________________ are a mechanical waves that travels through earth materials during an earthquake
Seismic Waves
Primary Waves
Secondary Waves
________________________________ are a compression wave generated by an earthquake that travels quickly through liquid and solids only
Seismic Waves
Primary Waves
Secondary Waves
_____________________________ are a transverse wave generated by an earthquake that travels through solids only
Seismic Waves
Primary Waves
Secondary Waves
___________________ is the place where two different media meet
Interface
Media
Refraction
_______________________ is the changing of a wave's speed and direction as it travels through a medium
Refraction
Reflection
Retraction
_________________ is to change the speed and direction of a wave
Refract
Reflect
Retract
_______________ is a beam reflected off a surface
Reflected Beam
Incident Beam
_______________ is an incoming beam
Reflected Beam
Incident Beam
A _________________ is a straight line that light waves travel in
Beam
Ray
Wave
Light is _______________________
electromagnetic radiation that is reflected off surfaces and can be seen
electromagnetic waves with the most energy and shortest wavelength
All colors of visible light mixed together
wavelengths of electromagnetic radiation that can be seen by the human eye
A _____________________ is a wave of electricity and magnetism that can travel through a medium or empty space
Electromagnetic Frequency
Electromagnetic Wave
Radio Wave
Angle of Incidence means__________________________
The angle of the beam reflected off a surface
The angle of the beam refracting off a surface
The angle of the incoming beam
Angle of reflection means__________________________
The angle of the beam reflected off a surface
The angle of the beam refracting off a surface
The angle of the incoming beam
A ______________________ is an instrument that can detect and record seismic waves
Spectroscope
Spectrograph
Seismoscope
Seismograph
The __________________ was the first form of digital telecommunication, which sends messages by using electrical signals and wires
Cellular Telephone
Telegraph
Satellite Phone
A ____________________ is a device that transforms one form of energy into another
Transducer
Photoconductive Cell
Frequency modulation
______________________ is the process of changing the amplitude of a carrier wave to transmit information
Amplitude Modification
Frequency Modification
Frequency Modulation
Amplitude Modulation
______________________ is the process of changing the frequency of a carrier wave to transmit information
Amplitude Modification
Frequency Modification
Frequency Modulation
Amplitude Modulation
A ___________________ is a packet of energy that makes up light
Proton
Photon
Electron
Neutron
A _______________________ is a tool that produces a very narrow, focused beam of coherent light
Flashlight
Laser
Pen Light
