Vocabulary
To bounce back.
Reflection
What is needed to create all sounds?
Vibrations
This occurs when light waves hit a flat or shiny surface and bounce back.
Reflection
How does sound travel?
Through waves in all directions
How does light travel?
Through waves in straight lines
To take in.
Absorb
What kinds of materials are needed to absorb sound?
Soft materials
This occurs when light waves pass through an object.
Transmition
Sound waves with longer wavelengths will produce what kind of sound?
Lower pitch
What kinds of objects allow light waves to pass through easily?
Transparent objects
The amount of energy.
Intensity
Blowing across the top of a glass bottle full of water will create what kind of sound?
High pitch
This occurs when light waves are taken into a substance.
Absorption
If I'm playing the drums and want to make the sound louder, what do I need to do?
Hit the drums with more force
What kinds of objects block light and do not allow it to pass through?
Opaque objects
To pass through.
Transmit
What will tightening guitar strings do to the sound?
Increase VPS/Make the pitch higher
This occurs when light waves enter a new substance and bend.
Refraction
In what medium does sound travel the fastest?
Solids
What kinds of objects allow some light to pass through, scattering it?
Translucent objects
A space that is entirely devoid and has no matter.
Vacuum
Tapping a glass bottle that is very full of water will create what kind of sound?
Low pitch
What object refracts white light into a rainbow?
Prism
How can pitch be changed?
By changing how fast an object vibrates
What are all lenses examples of?
Refraction