Type
Crossword
Description

an object that reflects all the light that lands on it mirror
a word that desribes an object that does not allow light to pass through opaque
the thinnest peice of light lightray
occurs when light rays bounce off an object reflection
occurs when light rays travel from one medium to another refraction
an imaginary line at right angles to the mirror normal
a surface that curves like the exterior or a circle ( inwards ) concave
a surface that curves like the exterior of a circle ( outwards ) convex
light hitting a mirror incidentray
light bouncing off a mirror reflectionray
a form of energy light
a word that describes an object that light energy passes through transparent
occurs when light is taken into anbject absorption

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

Reflection and Mirrors Crossword

Type
Crossword
Description

a source of light rays object
combination of points produce by light rays from an object image
straight Line perpindicular to a spherical mirror that divides it in half principal axis
Diverging light rays produce this virtual image
light rays are reflected in parallel specular reflection
flat smooth surface from which light is reflected plane mirror
The scattering of light off arough surface diffuse reflection
The reflective surface has edges that curve toward the observer concave mirror
incident light rays that are parallel to the principal axis converge after reflecting from the mirror focal point
reflective surface that has edges that curve away fro the obsever convex mirror
formed by the converging of light rays real image

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

Light and Optics Crossword

Type
Crossword
Description

Light is a form of Energy
Light travels in __________ lines straight
Light traveling at an angle from one medium to another is called refraction
Light changing direction when contacting a surface is known as reflection
Rays reflected in parallel form a ___________ reflection regular
Rays reflected in a scattered patter form a _______________ reflection Diffuse
Materials that do not allow any light to pass through it Opaque
materials that allow some light to pass through them translucent
Materials that allow all light to pass through them transparent
electricity traveling through a filament incandescent
electricity running through a glass tube filled with gas fluorescent
Species that create their own light using a chemical reaction bioluminescent
energy stored in cells and released later phosphorescent
Objects that produce their own light luminous
Objects that do not produce their own light nonluminous
produces light without wasting energy as heat energyefficient
a mirror that curves inwards concave
a mirror the curves outwards convex
a flat mirror plane
angle of ________________= angle of reflection incidence

MIRORS AND LENSES Crossword

Type
Crossword
Description

an instrument for observation over, around and through an obstacle periscope
The normai line, incident ray and the reflected ray lie on the same__________. plane
a reflection of light through smooth surfaces specular
mirrors used by dentists concave
the center of the sphere in which the mirror is the part curvature
the point between the center of curvature and the vertex focus
the center of the mirror vertex
optical instrument uses 2 convex lenses to make a smaller object larger microscope
two types of images are real and ___________ virtual
diverging mirrors convex
parallel mirrors produce___________numbers of images infinite
a kind of curved mirror spoon
at 90 degrees _______images are formed three
bouncing of lights through a surface reflection
negative values indicate that the image is_____________ inverted

Lights and Shadows Crossword

Type
Crossword
Description

to glow or to give off light at low temperatures, as in fireflies Luminescent
a material that does not let any light pass through Opaque
nature's display of the spectrum of colours produced by the dispersion of colours as light passes through droplets of water falling through the sky during a rainstorm Rainbow
to bounce off a surface, as in light bouncing off a mirror. Reflect
the bending of a light ray as it passes from one medium to another Refraction
a dark image or figure cast on the ground or some surface by an object blocking incoming light Shadow
a material that allows some light to pass through but scatters the light in the process so that images are not clear (i.e. frosted glass) Translucent
a material that lets light pass through it so that objects can be seen clearly on the other side Transparent
a three-sided length of glass. Light passing through it is refracted separating the colour of white light into a spectrum of colours. Prism
a form of energy that is emitted by the sun or by a chemical reaction to which the eye is sensitive. Light

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

light Crossword

Type
Crossword
Description

the sun produces this so we are able to see Light
bouncing waves off any surface Reflection
ghosts have this affect Transparent
you can see directly through it Translucent
no light is able to pass through Opaque
the way light tends to travel Transmission
transfer of energy by wave Absorption
the way light works Law of reflection
smooth shiny surface that light reflects off of Regular reflection
reflection from a rough surface Diffuse reflection
curved mirror Concave mirror
light rays are parallel to optical axis Focal point
distance along optical axis Focal length
mirror that curves outward Convex mirror
a waves change in course Refraction

Science Crossword (Chapter 5)

Type
Crossword
Description

Old model that light was fast moving tiny particles eventually absorbed by the eye ParticleModelofLight
A model that represents light as a straight line or ray that indicates the light path as it travels including reflection off mirrors or refracting through lenses RayModel of ilght
light passes through freely Transparent
allows only some light to pass through Translucent
allowing no light to pass through Opaque
Occurs when light is blocked in specific areas shadows
When light strikes a surface and bounces off Reflection
the ray that approaches a surface incident
imaginary line perpendicular to the surface being struck by light Normal
angle between the incident ray and the normal line Angle of incidence
Angle between the reflected ray and the normal line Angle of reflection
incident angel must equal the reflected angle Law of reflection
when a wave or ray changes speed and direction as it passes from one material to another Refraction
illusion formed by refraction of light through air Mirage
a property of a material which light passes through. The more dense the slower the light passes through. Optically Dense
when light is trapped in an objects as heat Absorption
when light passes through a material Transmission
an object that curves inward Concave
an object that curves outward Convex
light rays that are coming together at a focal point Converging
Light rays that spread apart Diverging
Where light rays meet at a certain point FocalPoint
A flat smooth mirror Plane Mirror
curved piece of transparent material Lens

Science Definitions Crossword

Type
Crossword
Description

A height of a wave crest or the depth of a wave trough, as measured from its rest position Amplitude
A type of wave that travels trough empty space and transfers energy from one place to another Light
Has the highest energy and frequency and the shortest wavelength portion of the electromagnetic spectrum Gamma rays
An object (eg. mirror) that curves inward Concave
Light passes through freely Transparent
occurs when light is blocked in specific areas Shadows
Allows no light to pass through Opaque
A model that shows light as a straight line or ray that shows the path as it travels including reflection off mirrors or refracting through lenses Ray Model of Light
Old model that light was fast moving tiny particles eventually absorbed by the eye Particle Model of Light
Allows some light to pass through but not all Translucent
The capacity to apply a force over a distance Energy
The number or repetitive motions, or oscillations, that occur in a given time Frequency
lowest point in a wave Trough
the matter waves travel through Medium
the method frequency is measured in HERTZ
Push or pull on an object Force
The level of water that has no waves Rest Position
When light waves strike an object and bounce off Reflectoin
A wave you can see VisibleLight
Pictures light travelling as a wave Wave Model Of Light
Range of colors of frequencies of visible light Spectrum
The bending/changing direction of a wave as it passes from one material to another Refraction
the ray that approaches a surface INCIDENT
The ray that bounces off a surface Reflected
imaginary line perpendicular to the surface being struck by light Normal
angle between incident ray and the normal line Angle of Incidence
angle between the reflected ray and the normal line Angle of Reflection
incident angle must equal the reflected angle Law of Reflection
Illusion formed by refraction of light through air Mirage
a property of a material which light passes through (The more dense the slower the light goes through) Optically Dense