Color! EPVA

What was Newton's discovery?

• A. That the rainbow has all the colors of the spectrum and these can be used to create pigment colors.

• B. Newton discovered by chance that white light contains within itself all colors together. He realized that a thin ray of white light could be decomposed by a glass prism into the multiple colors that form the visible spectrum.

Why can some people not perceive color well?

• A. The retina cells of some people have different defects. Those people cannot perceive certain colors. Most of them cannot see red and green properly so they cannot tell the difference between them.

• B. Because each eye is different. Some people have problems with their cones, and some people have no optic nerve.

Cones are the cells in charge of registering:

light or color? (Write one)

What is involved in the vision process?

• A. The process of COLORVISION starts by a source of light that sends the RAY SOFT LIGHT to the objects. Once the OBJECTS' SURFACES REFLECT the light, or part of it, it travels to our EYES where color perception starts.

• B. The COLORVISION process begins when the eye sees a color. This color emits a ray of colors and that is where vision occurs.

• C. The COLORVISION process begins with a color source that sends the SOFT LIGHT RAY to the objects. Once the SURFACES OF THE OBJECTS absorb that color, or part of it, it travels to our EYES where its perception begins.

What is the definition of subtractive colors?

• A. It's almost the same as additive colors. The three primary subtractive colors are: orange, purple and green, and cannot be obtained through the mixture of any other color. These are the purest colors and by mixing them in equal parts we obtain the three secondary: Red, Green and Blue.

• B. Opposite to additive colors. The three primary subtractive colors are: magenta, cyan and yellow. They cannot be obtained through the mixture of any other color. These are the purest colors and by mixing them in equal parts we obtain the three secondary: Red, Green and Blue.

What are the qualities of color?

• A. Hue, shading, value

• B. Contrast, saturation, value

• C. Hue, saturation, value

In the video of Neil Harbission, he says he was born with "total color blindness."

How does he describe this condition?

• A. Everything he sees is in shades of red and green

• B. He can't see primary colors

• C. Everything he sees is completely black and white

• D. There is a "haze" or a "glow" around everything he sees

Neil Harbisson is able to ____ color thanks to a device connected to his head.

How does the device that Neil wears work?

• A. Sorcery

• B. The detected color frequency is sent to an app on is phone which he then checks to determine which color he is looking at

• C. A color sensor detects the color frequency in front of him and sends it to a chip in the back of his head and he hears it through bone conduction

• D. A camera implanted in his optic nerve allows him to see the colors