S2 Light

Light travels in a straight line

• True
• False

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Another name for light bending is ....

• Reflaction
• Absorbing
• Refraction
• mirror

The color you see is the color that is ___.

• reflected
• absorbed

Material that allows light to pass through allowing you to see "clearly" to the other side

• opaque
• translucent
• transparent

What part of our body do we use to detect light?

• 
• 
• 
• 

Label the following eye diagram

b

a

c

d

Lens

Optic Nerve

Cornea

Retina

Match the following functions of parts of the eye

• This is where the image is focussed

• Retina

• This controls the size of the pupil

• Optic Nerve

• This focuses light onto the retina

• Cornea

• This helps to protect the eye and focus light

• Iris

• This transmits visual information to the brain

• Lens

Organize these options into transparent and opaque

Groups:

(a) Transparent

,

(b) Opaque

• Ice

• Windowpane

• Stone

• Plastic wrap

• Water

• Wood

• Clear plastic

• Acrylic

• Cardboard

• Clay

• Concrete

• Brick

• Glass

• Metal

The point at which light rays converge together is called