My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crucigrama Sopa de Letras Hoja de Trabajo
Calificar este Puzzle:
Log in or sign up to rate this puzzle.

7th Grade Unit 4.2 Light

Horizontales
Light does this when it changes direction due to a change in its speed.
Radio waves of higher frequencies. Cell phones and other technologies use these waves to send information.
Not able to be seen through; not transparent.
A type of a wave, such as a light wave or radio wave, that does not require a material medium to travel; disturbance that transfers energy through a field.
Allowing light, but not detailed shapes, to pass through; semitransparent.
A form of electromagnetic radiation which has shorter wavelengths than visible light. Although UV waves are invisible to the human eye, some insects, such as bees, can see them.
Cells in the retina which are wide on one end and narrow on the other. They detect high levels of light and let you see color.
Verticales
Allowing light to pass through so that objects behind can be distinctly seen.
This wave has the smallest wavelengths and the most energy of any wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes.
Waves of light that are easily given off and absorbed by solids, liquids, and some gases. Humans and most objects on Earth are giving off radiation in the low frequencies of the spectrum.
The part of the EM spectrum, with a small but important range, that the eye can detect.
To let pass through.
To cause to go in many different directions.
Long, thin cells located in the retina of the eye, which allow you to see in dim light, such as moonlight.
Produce electric current in metal and can be produced easily by varying an electric current in a wire.
A penetrating form of high-energy electromagnetic radiation. This form of radiation passes through your body, and produces images of the structures inside your body, particularly your bones.
Use invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs on film or digital media.
To bounce or bounce off.
A layer of tissue which lines the inside of the eye, and contains cells that direct and detect light.