Sound
What is sound?
Particles or movement of air
What is loudness?
Describes what you actually hear
What is Light?
Light is a form of energy that we can see.
What is a Reflection?
The bouncing back of light
What are the primary colors?
Red, Green, Blue
What is an Echo?
A sound wave that has been bounced back or reflected
What is intensity?
What is the speed of light?
It is 186,000miles per second
Do we emit light?
Yes
What does ROYGBIV stand for?
Red, Orange, Yellow, Green, Blue, Indigo, and Violet
How do we hear sound?
Sound waves make your eardrums vibrate, which creates a signal that is sent to your brain
What is pitch?
A description of how high or low the sound is to a person
What does a solar panel do?
Absorb energy from the sun and converts it into electricity
What causes refraction?
Light travels at different speeds in different media which causes it to bend
Why is the sky blue
Air particals reflect blue
What is infrasonic?
Sounds below 20 frecuency
What is the number of vibrations per second
Frequency
What does a photon carry?
A photon carries energy proportional to the radiation frequency but has zero rest mass.
What is called when particals scatter
Dispersion
What is white light?
A mixture of all the colors of the rainbow
What tool is used to see sound waves?
An oscilloscope
What is the Dopler Effect
It is the change in frequency of a wave in relation to someone who is near the wave source.
What is the Photoelectric Effect?
When incoming solar energy is converted to outgoing energy
What is the physical property of allowing light to pass through the material without the scattering of light.
Translusent
What can of gas emits red light when electricity flows through it?
Neon Gas