Light
True or false?
Light is an electromagnetic wave
true
A sound wave cannot travel in this because there are no molecules to transfer the energy.
A Vacuum/ Space
The distance between waves is called what?
wavelength
The highest point of a transverse wave is called what?
crest
Would an explosion in space make any sound?
no, because space is a vacuum. there is no matter.
How does light travel?
In waves/ straight lines
True or false?
Sound is a mechanical wave.
True
Why can we hear through solid objects but can not see through solid objects?
Blocked path, sound bends, light is absorped
The lowest point of a transverse wave is the what?
tough
Light can not pass through this kind of material.
What is opaque
Is it light sound or both?
Travels faster through solid objects
Sound
What is amplitude?
The distance a wave goes back and forth
When waves have a greater frequency, they will have more what?
Energy
What type of material lets all light through
transparent
This is how high or low a sound seems to be.
Pitch
the bending of light waves as they enter a new medium at an angle, caused by a change in speed
What is refraction?
How is sound produced?
vibrations
What type of object lets some light through but not all?
Translucent
What is frequency?
Is the number of waves produced in any given time.
Why do black objects and dark colors get hot under the sun?
it absorbs every color of light.
How are frequency and wavelength related?
Higher frequency = shorter wavelength
Lower frequency = longer wavelength
Sound travels faster though what?
liquids
which is faster, light or sound?
light
What is an object that reflects light? It is found in most houses.
What is a mirror
True or False: If we can't see the light, then it means it is not there.
False