Share Light, Sound, Sight, and Hearing
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White light is made of...
All the colours
We see the colour black when
all colours of light are absorbed
Refraction is
when light goes from one medium to another and the light bends
Reflection is
when light bounces off an object
What is the job of the cornea
protects the eye
If it is very dark will your pupil get bigger or smaller?
bigger
Light travels in
waves
Sound travels in
waves
Visible light is..
the light waves that we can see. Some light waves (such as UV) are invisible.
Why does a orange look orange?
When light hits the orange the orange light bounces off and the rest of the colours are absorbed
What are the seven colours of the rainbow?
red, orange, yellow, green, blue, indigo, violet
There are 2 cats laying in the sun. Why is the black cat warmer?
Because black absorbs all the light and light waves create heat
What is colour blindness?
Colour blindness is an affliction where the person cant see all colours properly. This means that some colours (such as yellow and red) look the same.
Is the lens in our eye concave or convex?
Convex
What is the retina made of?
Light sensitive cells
Where is the retina?
At the back of your eye
