Is the moon a source of light?
No! It reflects light from the sun
Give one example of a natural source of light and one example of an artificial source of light
answers may vary
What is an example of an opaque material?
Book, wall, etc.
How are shadows made?
When light is blocked. When there is no light
What is the part of your eye that protects your eye?
Cornea
Kaleidoscope, Periscope, Telescope, Microscope
Glasses, contact lenses
What does reflect mean?
Light bouncing off of something
What happens to light when it hits an opaque material?
It is absorbed
How does light travel?
In straight lines
What part of the eye works with the lens?
Ciliary muscle
How does a prism work?
When you shine white light through it it creates a rainbow.
What colour is white light made of?
Rainbow. All of the colours!
What happens when light hits a translucent material?
Some light is absorbed some is blocked
The farther away you are from a source of light the __________ it is.
Smaller
Name 3 parts of the eye
answers may vary
What kinds of materials best reflect light?
What is light?
What happens when light hits a transparent material?
All of the light goes through
At 6:00pm, will your shadow be long or short?
Why?
Long. Because as the earth rotates, the sun appears closer in the evening and morning.
True or False: sunglasses give you enough protection to look directly at the sun without damaging your eyes
False!!!!
How does refraction happen?
When light travels through a different medium it bends
How do we see the things around us?
Because light is reflected off of the objects we look at or it emits it's own light.
If you place a green lens over a green word, why does this happen?
Because the green lens absorbs all the green coloured light. You can see all other colours of light except for anything with green in it.
Why does a black car get hotter in the sun than a white car?
Because it absorbs more light
Which two parts of your eye change shape depending on distance and brightness?
Lens and Pupil