Type
Crossword
Description

How light and sound travels Waves
A body part that detects sound Ear
What forms when sunlight hits raindrops? rainbow
bending of waves refraction
you will see your own reflection in this mirror
reflection or return of sound waves echo
A shock wave created when something moves faster than sound sonic boom
A piece of glass or other transparent material with curved sides for dispersing light rays lens
The bouncing of waves reflection
how high or low a sound is pitch
Light cannot travel through an object if it is...? opaque
A direction or path along which light travels light ray

Science - Light & Sound Crossword

Type
Crossword
Description

the bouncing of light off an object REFLECTION
the bending of the path of light when it moves from one kind of matter to another REFRACTION
the stopping of light when it his a wall or other opaque ABSORBTION
reflecting or absorbing all light; no image can be seen OPAQUE
allowing some light to pass through; blurry image can be seen TRANSLUCENT
allows most light to pass through; clear image can be seen TRANSPARENT
a solid object that bends light; not a lens PRISM
the range of light energy that people can see VISIBLE SPECTRUM
a vibration you can hear SOUND
the area of a sound wave where the air is pushed together COMPRESSION
quickly moving areas of high and low pressure SOUND WAVE
the greatest distance from the top of a sound wave to the bottom of the wave, the more energy a wave carries, the greater the amplitude AMPLITUDE
the distance in a straight line from one place on a ripple to the same place on the next ripple WAVELENGTH
the measure of the amount of sound energy reaching your ears LOUDNESS
the measure of how high or low the sound is PITCH
the speed t which a sound travels SPEED OF SOUND
a sound reflection ECHO
a large, quick air pressure increase followed by a large quick decrease, an object moving faster than the speed of sound does this, so we hear a large BOOM when it happens SONIC BOOM
the change in frequency & pitch as a source of sound waves moving towards you or away you DOPPLER EFFECT
the part of a sound wave where molecules are spread apart RAREFACTION
the part of the sound wave where the molecules are close together COMPRESSION
the number of times an object vibrates per second FREQUENCY
a unit for measuring loudness DECIBEL

Waves Crossword

Type
Crossword
Description

occurs when a wave bounces back after striking an object reflection
the point on the axis of a mirror lens throughwhich all incident light rays are focused focal point
maximum distance the wave vibrates from the rest position amplitude
the distance between the adjacent crests or compressions in a series of waves wavelength
result of more moves overlapping interference
curved transparent object that forms an image by refracting light lense
any disturbance that transmits energy through matter or space wave
bending waves around a barrier or through an opening diffraction
image through which light does not actually pass virtualimage
image through which light passes realimage
lens that is thicker in the middle than the edges convexlense
speed at whcih a wave travels wavespeed
the distance between a mirror lense through which all incident parallel rays are focused focallength
mirror that is curved outward convexmirror
mirror that is curved inward concavemirror
mirror with a flat surface planemirror
matter through which visible light is easily transmitted transparent
matter that transmits light but also scatters the light as it passes through matter translucent
number of waves produced in a given amount of time frequency
wave that forms from a stationary pattern in which portions of the waveare at rest position standingwave

Different Lenses Crossword

Type
Crossword
Description

curved surface that bends light by refraction lens
diverging lens convex
converging lens concave
point which all incident rays pass through focal point
light strikes a surface and comes back at a different angle reflection
bending of light rays refraction
path of a light ray optical axis
light striking a non-shiny surface diffuse reflection
a dispersive object prism
distance between object and ooptical element object distance
a lens to see outerspace telescope
a mirror or shiny surface creates this specular reflection
window glass transparent
frosted glass translucent
painted glass opaque
angle between incident ray and normal angle of incidence
angle between reflected light and normal angle of reflection
the angle of incidence equals the angle of reflection law of reflection
an illusion created by light image
distance between the lens and focal point focal length

Refraction and Lenses Crossword

Type
Crossword
Description

is an increase or decrease in size of an image produced by an optical system compared to the true size Magnification
a transparent refracting device that is thicker in the middle than at the edges concave lens
a transparent refracting device that is thinner in the middle than at the edges concave lens
the separation of light into its spectrum dispersion
concave on both sides biconcave
convex on both sides biconvex
light rays coming out of it come together at a point – they converge converging lens
causes a beam of parallel rays to diverge after refraction, as from a virtual image diverging lens
images that are formed in locations where light does not actually reach virtual image
an image that is located in the plane of convergence for the light rays real image
refracting and focusing light so that objects appear clearly contact lenses
distance of an object that is placed from the point of an incidence on the mirror object distance
distance from the point of incidence of the mirror to the image image distance
a convex lens that is used to make a magnified image of an object magnifying glass
bending of a wave when it enters a medium where its speed is different Refraction
can calculate the image distance for either real or virtual images and for either positive on negative lenses thin lens equation
point at where rays or waves meet after reflection or refraction focal point
a technique for generating an image by tracing the path of light ray tracing
angle of reflection equals the angle of incidence flat mirror
the distance between the lens and the image sensor when the subject is in focus focal length

Light & Sound Word Search

Type
Word Search
Description

luminous
frequency
spectrum
prism
anvil
opaque
transparent
green
reflection
vibrations
medium
red
oscilloscope
yellow
vacuum
refraction
density
dispersion
translucent
amplitude
blue
cochlea
pitch
pinna
mirror
normal
incidence
shadow
periscope

Mirrors and Lenses Crossword

Type
Crossword
Description

We use this to see our reflection. mirrors
Light from us bounces off of a mirror to show us how we look reflection
Our eyes go through this process to give us sight refraction
if we look at a table and cannot see through it, the table is _____. opaque
This object uses different lenses to magnify and enhance the apperance of an object we are observing. microscope
This either refracts, reflects, or absorbs light to change the way we view objects. lense
Most windows are ______, because we can see through them and they absorb a little light. Transparent
tranfers impulse to the brain for sight Optic Nerves
Where a wave moves apart Rarefaction
A sensitive membrane at the back of the inside of an eye retina
An outward-curved lens convex
______ makes things visible light
An inward-curved lens concave
A ______ regulates the amount of light entering the eye pupil
The ______ focuses light waves on the retina focal point
The ______ refract light entering the eye and sends it to the back of the eye cornea
The act of seeing sight
This device uses highly concentrated light laser
transmission of some light but can cause it to disort translucent
Able to be seen visible
An optical tool that uses refraction to seperate different wavelengths that make up white light prism

Optics Crossword

Type
Crossword
Description

A type of optical telescope that uses a lens as its objective to form an image. refracting
Is an optical telescope which uses curved mirrors that reflect light and form an image. reflecting
The _____lens in a telescope focuses the light to a point in front of the eyepiece. objective
Another word for nearsightedness myopia
Images are formed behind the retina, not on it, and this causes close-up images to be blurry. hyperopia
The most common cause of blindness cataracts
The pupil gets____in bright light. smaller
The aqueous humour is the ____fluid, that fills the front part of the eyeball. clear
The ___ spot is where the optic nerve leaves the retina. blind
The coloured part of the eye. iris
The _____body is a circular muscle that enables the lens to change shape for focusing. ciliary
The _____is a layer of blood vessels that nourishes the eye. choroid
With refraction of light no image is formed when the object is at the_____point. focal
A lens that makes light rays come together is called a _____lens. convex
These lenses make light spread apart. concave
A _____and dark-coloured surface will absorb light the most. rough
Concave mirrors are also called _________mirrors converging
Your image will be upright, but much smaller than what you normally see in this kind of mirror. plane
The ability to let light rays in. transparent
Light can partially get through.. translucent
Allows no light to get through. Opaque
,Light can travel in a straight line just like _____. waves
When the sunlight passes from the air through rain droplets before reaching your eyes, what is this called? dispersion
Different _______of light have different wavelengths. colours
Where does the energy of the electromagnetic spectrum come from? sun
,As the wavelength gets shorter, both the frequency and energy _______. increase
Which rays are the highest forms of electromagnetic radiation? gamma
Waves where the particles of the medium vibrate with an up and down motion. transverse
What is the branch of science called that deals with the study of waves that travel through the Earth? seismology
What kind of wave can you see on the water on a windy day? surface

Waves and Sound Crossword

Type
Crossword
Description

A means of transferring energy from one point to another wave
Particles on the wave vibrate perpendicular to the direction that the wave is moving transverse wave
Particles on these waves vibrate parallel to the direction that the wave is moving (through a series of compressions and rarefactions) longitudinal
Require a medium to travel through (Ex: water waves and sound waves)  mechanical
Do not require a medium (ex: light and radio waves) electromagnetic
The distance from a point on one wave to the identical point on the next wave (crest to crest) wavelength
The number of waves passing each second; it is measured in Hertz frequency
Maximum displacement of a wave from the rest position or the size of the wave or how large the wave is amplitude
Waves will bounce off barriers an angle equal to the angle they strike the barrier reflection
Bending of a wave as it passes at an angle into another medium refraction
Bending of waves around barriers (this occurs to a greater degree with longer waves such as sound) diffraction
Waves add as they meet Constructive
The waves partly or completely cancel as they pass destructive
Change in frequency is heard when the source of sound and the person receiving the sound are in relative motion doppler effect
material through which a wave travels medium
Unit of measurement for frequency hertz
a disturbance that travels through a medium as a longitudinal wave sound
perception of the frequency of sound pitch
The high point of a wave. crest
The low point of a wave trough

Sound and Light Crossword

Type
Crossword
Description

a longitudinal wave that is caused by vibrations and that travels through a material medium Soundwave
a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave Pitch
slow vibrations of frequencies lower than 20 Hz Infrasound
any sound wave with frequencies higher than 20,000 Hz Ultrasound
a phenomenon that occurs when two objects naturally vibrate at the same frequency; the sound produced by one object causes the other object to vibrate Resonance
sound navigation and ranging, a system that uses acoustic signals and returned echoes to determine the location of objects or to communicate Sonar
a unit or quantum of light; a particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy Photon
in physical science, the rate at which energy flows through a given area of space Intensity
radio detection and ranging, a system that uses reflected radio waves to determine the velocity and location of objects Radar
a line in space that matches the direction of the flow of radiant energy Light ray
an image from which light rays appear to diverge, even though they are not actually focused there; a virtual image cannot be projected on a screen Virtual image
an image that is formed by the intersection of light rays; a real image can be projected on a screen (563) Real image
a transparent object that refracts light waves such that they converge or diverge to create an image Lens
the increase of an object's apparent size by using lenses or mirrors Magnification
in optics, a system that consists of two or more plane surfaces of a transparent solid at an angle with each other Prism
in optics, the process of separating a wave (such as white light) of different frequencies into its individual component waves (the different colors) Dispersion

Refraction and Lenses crossword puzzle

Type
Crossword
Description

A shaving mirror is this kind of mirror concavemirror
A shaving mirror is this kind of mirror lenticularlens
Cause light ray from a specific focal point to bend diverginglens
Have curvature in only one directon cylindricallens
Spoon convex
Glasses or other transparent substance with curved sides lenses
A mirror with a flat reflective surface flatmirror
What most lenses are made out of glass
Used in lenses of sunglasses convexmirror
Binoculars use these concavelens
Distance from the center of the lens to the focal point focallength
Concave-convex lenses meniscuslens
Consists of several simple lenses compoundlens
Cause light rays to bend to a focal point converginglens
Microscopes use this type of lens convexlens
First lens ever used nimrudlens
Has its optical surface broken up into narrow rings fresnellens
This point of a lens is generally noted with a capital F focalpoint
Change in direction of a wave due to a change in its transmission medium refraction
Telescopes concave