This printable crossword puzzle on the topic of Physics has 21 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
______ refers to anything that produces and emits light
______ light is any electromagnetic wave that the human eye can see
The production of light from a chemical reaction within an organism – a form of chemiluminescence
______ wave is energy in the form of wave, associated with electric and magnetic fields
The production of visible light by an object that has absorbed invisible radiation, converting UV light to visible light
The production of light from a reaction between two chemicals
Visible ______ is the continuous sequence of colours that make up white light
_______ colours of light (red, blue and green) that combine to produce all other colours
The production of light energy when an object is heated to a high temperature
_______ colours of light produced by combining two primary colours (yellow, cyan, magenta)
_______ colour theory – combining the three primary colours produces white light
Less sensitive to light, used to detect colours
Detect low levels of light, used for night vision
Transmitting and scattering light so that objects on the other side are partially visible
Chemical which absorbs some colours of light and reflects other colours of light
Transmitting light so that objects on other side are clearly visible
The taking in of light by an object
Absorbing or reflecting all light so that objects on the other side are not visible
The bouncing back of light from an object
______ colour is the apparent colour of an object in white light
Coloured ______ is a transparent material that contains pigment