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Light Reflection and Vision 4-PS4-2

NGSS

cone cells

the retina cells that work in bright light, and help us see color
cone cells Simple Definition

diffuse reflection

reflection of light at many angles by a rough surface
diffuse reflection Simple Definition

light

electromagnetic energy that travels in waves, not all light is in the visible spectrum
light Simple Definition

pupil

the opening at the center of the iris, through which light enters the eye
pupil Simple Definition

reflection

the bouncing of light, sound, or heat waves off a surface
reflection Simple Definition

regular reflection

the reflection that occurs when parallel light rays hit a smooth surface and every ray is reflected at the same angle
regular reflection Simple Definition

retina

the light-sensitive layer at the back of the eye, it contains rods and cones
retina Simple Definition

rod

a receptor cell in the retina that works in dim light, but cannot detect color
rod Simple Definition

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