9th Grade Physics - Color

Flashcards created from Mrs. Veal's (#1 opp) Powerpoint.

Selective Reflection

The process where objects reflect certain frequencies of light and absorb others, determining their perceived color.

Selective Transmission

The phenomenon where the color of a transparent object, like glass, is based on the color of light it transmits.

Additive Primary Colors

Red, Green, Blue - when combined, they can produce any color in the spectrum.

Subtractive Primary Colors

Cyan, Magenta, Yellow - used in mixing colored pigments, where they absorb or subtract specific colors.

Complimentary/Opposite Colors

Pairs of colors, one subtractive and one additive primary, that combine to produce white when mixed.

Pigment

Tiny particles that absorb specific colors, influencing the color we perceive.

Blue Sky

Result of selective scattering of sunlight by smaller particles, with blue light predominating our vision.

Red Sunsets

Due to low-frequency light like red, orange, and yellow traveling best through air and being least scattered.

Clouds

Clusters of water droplets of varying sizes, with the color of scattered light depending on the size of the clusters.

Greenish Blue Water

Water appears greenish-blue due to the absorption of red light by water molecules, leaving cyan (green + blue) light to be reflected.