Properties of Light
What is the speed of light—fast or slow?
fast
What do we call a material that lets all light pass through?
Transparent?
What shiny surface reflects light best?
A mirror
What causes a shadow?
When object blocks a light.
What do we need light for?
to see
Light travels in what type of path?
In a straight line
What do we call a material that blocks all light?
Opaque?
What is it called when light bounces off a surface?
Reflection
Are shadows longer or shorter at noon?
shorter
What natural object gives us light?
the sun, lightning, meteor, stars
What is light?
Light helps us see around us
What do we call a material that lets some light through but not clearly?
Translucent?
What is it called when light bends as it passes through something?
Refraction
What happens to a shadow when the light source moves closer?
the shadow gets bigger
What tool helps us see in the dark?
a flashlight
Can light travel through a vacuum?
What is yes?
Is frosted glass transparent, translucent, or opaque?
Translucent
Why does a pencil look bent in a glass of water?
What is refraction?
Do transparent objects make shadows?
no or very little
Moon is an example of natural light. TRUE or FALSE
False
What do we call the bending or bouncing of light?
What is reflection or refraction?
Give an example of an opaque object.
any solid object like a book, desk ...
Refraction makes object look the same in water and air? TRUE or FALSE
False
Name one way to make a shadow appear sharper.
move the object closer to the light
Do all bright and shiny materials create their own light?
No