Waves and energy Crossword

Part of the eye where light enters first.
Term used to describe objects that let some light through.
Term used to describe bending of light.
Type of lens used in magnifying glass. A converging lens.
Term used to describe objects that do not let light through.
Light rays that strike a mirror.
Type of glass block used to separate white light.
Image forms on this part of your eye.
The colour part of your eyes.
The fourth least refracted colour in the colour spectrum.
Light rays that leave the mirror.
Imaginary line perpendicular to a reflective surface.
An area where light cannot reach because an object is blocking its path.
Instrument used in submarines to see above water surface.
This part of the ear contains a lot of fine tiny hairs that sense sound waves.
Light is a type of _____________ wave.
Short-sightedness is corrected by __________ lenses.
The ____________ nerve sends sound signals to your brain.
The ____________ nerve sends light signals to your brain.
Sound is a type of _____________ wave.
This wave property is linked to pitch.
This wave property is linked to intensity (loudness).
Term used to describe how much energy is wasted.
The three small bones inside our ear are hammer, __________, and stirrup.
Blue skies and orange sunsets are phenomenon of light ___________.
Chemical potential energy is stored inside bonds between ___________.
Our eyes are filled with this substance.
Light refraction occurs when light travels through mediums of different ___________.
Energy cannot be created nor destroyed. It can ____________ from one form to another.
This is the second most refracted colour on the spectrum.
This colour is considered a primary colour in light, but not in paint (art).
All waves travel through a medium except _____________.
A concave mirror _______________ reflection rays.
A convex mirror _______________ reflection rays.
The black hole at the front of your eye.
Energy type possessed by moving objects.
An electrocin instrument which transforms sound into waves graph displayed on a screen.
A shiny surface that reflects light.
__________________ produces sound.
The distance between two troughs or two crests of a wave.