Light & Shadows Crossword

A property of an object produced by the wavelength of light that the object reflects?
Curved in the inner surface of a sphere?
Curved out, like the back of a spoon? These lenses concentrate light by bending the rays to a common point once they pass through the lens.
To spread out or scatter?
To give off something as in the sun giving off light?
A tube through which can be seen symmetrical patterns caused by reflections from mirrors?
A form of energy? That energy emitted by the sun or by a chemical reaction to which the eye is sensitive.
To glow or to give off light at low temperatures, as in fireflies?
To make small things look bigger by looking at them through one or more convex lenses?
A material that does not let light pass through?
A three-sided length of glass? Light passing through it is refracted separating the colour of white light into a spectrum of colours.
Nature's display of the spectrum of colours produced by the dispersion of colours as light passes through droplets of water falling from the sky during a rainstorm?
To bounce off of a surface, as in light bouncing off a mirror?
The bending of a light ray as it passes from on medium to another?
A dark image or figure cast on the ground or some surface by an object blocking incoming light?
A material that allows some light to pass through making images blurry?
A material that lets light pass through it so that objects can be seen clearly on the other side?
A band of colour that makes up visible light? Each colour is generated by a different wavelength of light, the longest being red and the shortest being violet.
Light that contains all the wavelengths of colour in the visible spectrum from red to violet?
These are know as "brain teaser?"
Light travels in a ______________ line?
A shadow is shortest at this time of day?