Light 1
Which travels faster, light or sound?
Light travels faster than sound
Translucent objects let how much light pass through?
SOME light.
Opaque objects let how much light pass through?
NO light.
What is the name for the stomach muscles that help produce sound?
Diaphragm
What is another name for the throat?
Trachea
Light is a form of....
Energy
Transparent objects let how much light pass through?
ALL light.
What are the colors of the visible light spectrum?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
What is your Larynx?
The organ in your throat that holds the vocal cords.
Can sound travel through a vacuum?
NO
The Sun.
What is refraction?
The bending of a light wave when it goes through a different medium.
What is a "medium" as relates to sound and light?
A substance that light or sound can travel through.
What is the sound term for how high or low a sound is?
Pitch
INFRAred light and ULTRAviolet light
When light hits an object, what are the 2 possible outcomes?
The light can be reflected by the object or absorbed into the object.
What is a lens?
A transparent object used in many instruments (like glasses and cameras)
This word means to move or send something from one place to another.
Transmit
Vocal chords are muscles that do this:
Produce sound when air passes through them.
What is the speed of light?
186,000 miles per second
White light is made up of what?
All the colors on the spectrum.
Color is made by what?
Objects reflecting specific wavelengths.
Double points! How is a Rainbow formed? (5 steps)
Light travels from the Sun in light waves.
Light waves travel through transparent raindrops.
Raindrops act as prisms, bending the light waves.
As the light waves bend, the white light breaks apart.
When the white light breaks apart, all the colors of the visible light spectrum are shown.
Double points! What parts of the body produce sound? (3 parts)
Diaphragm
Trachea
Larynx
What is the speed of sound through air at 68 degrees in miles per hour?
767 miles per hour