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27 terms

Electromagnetic Spectrum

STUDY
PLAY
Energy
Electromagnetic waves carry this from one place to another
Fields
Electromagnetic waves have vibrating electrical and magnetic ________
Microwaves
One group of radio waves with the highest frequency are
Thermographs
Photographs taken using heat are called
Visible Light
Light that can be seen by humans
Photosynthesis
Visible light is essential for this which is the process by which green plants make food
Nucleus
The central core of an atom
Ultra-Violet
Rays that cannot be seen by humans but can be seen by some insects
Ozone
A layer of _____ in the atmosphere that absorbs most of the sun's harmful UV rays before they reach earth
Infrared rays
All objects give off these
Atoms
The building blocks of all matter
Transeverse
An E.W. is also a _________ wave
AM
Amplitude Modulation
FM
Frequency Modulation
Electromagnetic Spectrum
E.W. are often arranged in order of wavelength and frequency this is called the _________ ____________
Luminous objects
Anything that gives of its own light is a
Illuminated objects
An object that can be seen because it is illuminated
Protons
The positively charged particles in the nucleus
Neutrons
Particles inside the nucleus of an atom with no charge
Electrons
The negatively charged particles surrounding the nucleus of the atom are the
Radar waves
Are used to monitor airplane positions locate ships at sea and track storms
Vacuum
A space free of all particles
Modulation
Variation in a wave
Radio waves
The waves with the lowest frequency and longest wavelength are these
Gamma waves
A medical patient can be injected with a fluid that emits these waves in order to be observed
X-rays
Most energy from exploding stars are given as these
Heat
Infrared rays cannot be seen but can be interpreteded as heat