Question | Answer |
electromagnetic Wave | Transverse waves that transfer electric and magnetic waves ♥ |
Electric Field | The field around charged particles that exerts a force on other charged particles.♥ |
Magnetic Fields | The region around a magnetic force is exerted♥ |
Electromagnetic Radiation | Energy that travels through space in the form of electromagnetic waves♥ |
Polarized Light | Light that vibrates in only one direction♥ |
Photoelectric Effect | The movement in of electrons in a substance when light is shined on it♥ |
Photon | A tiny particle or packet of light♥ |
Wavelength | The distance between the crest of one wave and the crest of the next♥ |
Frequency | The number of complete waves that pass a given point in a certain amount of time♥ |
Electromagnetic Spectrum | The range of electromsgnetic wavesplaced in a certain order♥ |
Radio Waves | Electromagnetic waves with the longest wavelengths and lowest frequencies♥ |
Microwaves | Radio waves with the shortest wavelengths and the highest frequencies♥ |
Radar | A system of detecting reflected radio waves♥ |
MRI | A process that uses radio waves to form pictures of the inside of the human body♥ |
Infrared Rays | Electromagnetic waves with higher frequencies and shorter wave lengths than radio waves♥ |
Thermogram | The expansion of matter when it is heated♥ |
Visible Light | Electromagnetic radiation that can be seen with the unnaided eye♥ |
Ultraviolet Waves | Electromagnetic waves with frequencies higher than visible light♥ |
X-Rays | Electromagnec waves with higher frequencies than ultraviolet rays but shorter than gamma rays♥ |
Gamma Rays | Electromagnetic waves with the shortest wavelengthsand highest frequencies♥ |
Illuminated | Word used to describe an object that can be seen because its reflects light♥ |
Luminous | Word used to describe an object that can be seen because it emits life♥ |
Incandecent Light | Lights that glow when something inside them gets hot♥ |
Flourecent Light | Lights that glow when an electric current causes ultraviolet waves to strike a coating inside a tube♥ |
Neon Light | Glass tubes filled with neon that produce light♥ |
Sodium Vapor Light | Bulbs containing solid sodium plus neonand argon gas that produce light♥ |
Tungsten-Halogen Light | Bulbs containing a tungsten filament and a halogen gas that produce light♥ |
Bioluminescence | Light produced by organisms as a result of chemical reaction♥ |
Amplitude Modulation | Method of transmitting radio signals by changing the amplitude of waves♥ |
Frequency Modulation | Method of transmitting radio signals by changing the frequency of the waves♥ |
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