optics Crossword
This printable crossword puzzle on the topic of Physics has 15 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
objects that don't give off light but reflect it
form of energy that can be seen by the human eye
the process of emitting light due to high temperature
the process of emitting light for some time after receiving energy
the process of emitting light because of electricity passing through a gas
the process of emitting light while receiving energy from another source
the process of changing chemical energy into light energy
living things that can produce a natural chemical reaction to make themselves luminous
an area that light has been blocked
the dark part of a shadow
the lighter part of a shadow
the measure of how much light can pass through a material
a material that does not transmit any light
flat mirrors are called
Objects that give off light
