Electromagnetic Waves

An ocean on fire. Entire islands that rise into the air. Billions of tons of seawater that pour in and out of every cove, bay, and sound all up and down the entire coast — not once a year, not once a month, but twice each day?

Seismic sounds are too low for us hear. The vibrations create frequencies that are too low and wavelengths that are too long to be recognized by our ears.Deep Earth Sounds

This Bubbling Earth

Surface Waves

Electromagnetic waves are produced by an oscillating electric charge.

As frequency of EM wave decreases,its energy __________.

Which EM waves havethe longest wavelength?

Microwaves

Infrared

What range of the EM spectrum canwe detect with our eyes?

Visible light

Visible Light

Roy G. Biv

Ultra Violet

X-rayX-Rays

Gamma

Gamma radiationkills _________.

Which region of the EM spectrumtravels the fastest?

Which region of the EM spectrum has the highest frequency?

Which region of the EM spectrum has the longest wavelength?

Do electromagnetic waves travelfaster in empty space or gas?

The End