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science vocab

science WTK pg 113

absorb to soak up, like a sponge
color spectrum a continuous band of colors formed when white light is passed through a prism
electromagnet spectrum the range of light waves that people can't see, such as radio waves and gamma waves
light a form of energy that allows us to see; used by plants to make food
light ray a tiny pocket of light that shoots out in a straight line
luminous having the ability to give off light energy
medium the substance through which a wave, such as light, travels
opaque not allowing light to pass through
reflect a light ray bouncing off a surface
refraction to change in direction when passing from one medium to another; light does this, for example, when it passes between air and water or between air and glass
translucent allowing only some light to pass through
transmission the movement of light through a medium
transparent allowing light to pass through
visible spectrum the wavelength of light that people can see
wavelength the distance from the top of on wave to the top of the next wave
Created by: kpennington