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