Electromagnetic Spectrum

What is light?

• electromagnetic energy that exists as both a particle and a wave

• similar to sound, except louder

• no one really knows for sure

• it's basically all of the colours of the rainbow

The amount of waves that pass by a point in a certain amount of time is known as:

• wavelength

• frequency

• intensity

• electricity

_____________________ is a measurement of how long a wave is.

• Frequency

• Wavelength

• Intensity

• Amplitude

Different colours of light have different _______________.

• Frequencies

• Wavelengths

• Wavelengths and frequencies

• I'm confused already!

If you know the wavelength or frequency of a wave of light, you can also figure out its _________________

• energy

• black hole

• sound

• shininess

Generally, short wavelengths have ________ energies.

• high

• low

• medium

• fancy

What is the receptor in our eye that receives light called?

• retina

• pupil

• lens

• eyelashes

The small range of light that our eye can see is known as:

• x-ray light

• infrared light

• ultraviolet light

• visible light

In the rainbow of colours, which colour has the least energy?

• red

• blue

• violet

• ROYGBIV

The only thing that makes one type of light different from another is its ________________.

• speed

• bumpiness

• shine

• wavelength