Vision

Wave height

• frequency

• wavelength

• amplitude

• wave speed

what color is visible when all color is absorbed?

• black

• white

• dark white

• a rainbow

what color is visible when all colors are reflected

• light black

• dark white

• rainbow

• white

how can we see color?

• the color we see is the only color absorbed, and the rest is reflected off.

• all the colors are absorbed, and the color we see is the reflected color.

What does the picture below illustrate?

• Visible Light Spectrum

• Electromagnetic Spectrum

• Frequency Indicator

• Color Line

Of the visible spectrum, what color has the longest wavelength?

• Blue

• Green

• Yellow

• Red

• Violet

Light is a type of energy that travels as an ______________ ____________.

• Longitudinal Wave

• Electric Current

• Electromagnetic Wave

• Magnetic Wave

A blue dish appears blue because it

• absorbs blue light

• absorbs white light

• reflects white light

• reflects blue light

___________ is a form of energy that we can see with our eyes.

• Radio Waves

• Visible Light

• Ultraviolet

• Reflection

What is visible light used in?

• Light Bulbs, TVs, Lasers

• Nothing, Visible light cannot be used

• Sound

• When we Breathe