Light
Straight lines
What is a shadow?
A dark area created by light hitting an opaque object
Define reflection
To bounce off a surface
Define refracted
To bend light waves
What does absorb mean?
To take in or soak up
What is our main source of light?
The sun
If my shadow is blurry does that mean I am closer or farther from the light source?
Closer
If a surface is smooth and shiny will there be a reflection?
Yes
What happens when light waves move from one transparent object to another?
They refract
What is a prism?
A piece of glass or other transparent material shaped like a triangle that separates white light into the colors of the rainbow
What animal produces its own light?
Fire fly
Angler fish
If my shadow is crisp and not blurry does that mean I am closer or farther to the light source?
Farther
If the surface is bumpy will there be a reflection?
No
What does concave mean?
It bends light outwards
How do we get white light?
It is a combination of a 7 colours
What does transparent mean?
We can see through it
What shape does a shadow take?
The shape of the object
How come smooth surfaces can create a reflection?
Because light waves are able to hit it directly and bounce off in a straight line
What does convex mean?
It bends light rays inwards
What are the 7 colours we need to make the visible spectrum
Red
Orange
Yellow
Green
Blue
Indigo
Violet
What does translucent mean? and give an example
We can see some light through it
Tissue paper
How come every object does not make a shadow?
Because light passes completely through some objects
How come bumpy surfaces do not create a reflection?
Because it sends the light rays in different directions
True or false, All opaque materials bend light?
True
Why can we see a rainbow after a rainstorm?
Because rain drops are tiny prisms