Parts of the Eye
Lenses
EM Radiation
Reflection/Refraction
Randoms
100
The part of the eye that focusses light.
Lens
100
The two main types of lenses
Convex and concave
100
Any two types of EM radiation
Many correct answers
100
If a light ray hits a mirror at an angle of 20 degrees, it should leave the mirror at what angle?
20 degrees
100
What is one thing we know for sure about light?
Many correct answers:
- travels in straight lines
- travels as a wave
- Is energy we can see
Etc.
200
The part of the eye that protects it. The outer layer.
The sclera
200
What type of lens is this?
Concave
200
The type of EM radiation that comes from heat. Allows us to see where heat leaves a house, for example.
Infrared
200
What is refraction?
The bending of light when it passes through a medium of different density.
200
Windows let light through, and you can see through them, so they are....
transparent
300
The part that looks like clear jelly. Helps to keep the eye stiff and inflated.
Vitreous Humour
300
Images that concave lenses produce are (two things)
Upside down and magnified
300
Lots of insects (bees, butterflies, etc) use this type of radiation to see and help them find their food.
Ultraviolet
300
Would light bend more if it passed from air into water, or from air into molasses?
Molasses
300
Something we use lenses for...
Many correct answers.
Telescope, microscope, glasses,
400
This parts opens and closes to let more or less light in. Comes in different colours.
Iris
400
If I wanted to see a larger space, like through a peephole in a hotel room door, I should use what type of lens?
Concave
400
Whether or not a type of EM radiation is stronger or weaker depends on it's...
Wavelength, or frequency.
400
If light passes from water into air, which direction will it bend?
Away from the normal
400
Which colour of visible light has the most energy?
Violet
500
The two types of light receptor cells that are present in the retina.
Rods and Cones
500
What is the main reason lenses work? How do they focus light?
Refraction
500
List all the types of EM radiation from least to most powerful.
Radio, Micro, Infrared, Visible, UV, X, Gamma
500
Why do some car mirrors say "Objects in mirror may be closer than they appear"
Because convex, to see more area, so image is smaller.
500
What was your favourite illusion from the museum of illusions, and what was the main reason it worked?
Many possible responses...