Sound
The decibel is used to measure a sound's
A. Pitch
B. Frequency
C. Wavelength
B. Frequency
Light travels in _____ waves.
A. Thermal
B. Electromagnetic
C. Radiative
B. Electromagnetic
Electromagnetic wave with the smallest wavelength and the highest frequency
A. Gamma ray waves
B. Microwaves
C. Ultraviolet Wave
A. Gamma ray waves
Sound cannot be heard where?
A. Vacuum
B. Underwater
C. In gasses
A. Vacuum
The highest part of a wave?
Crest
A loud sound is produced by a sound wave with a ___ amplitude.
A. Low
B. High
B. High
Color depends on the ____ of visible light.
A. Speed
B. Loudness
B. Wavelength
B. Wavelength
Waves used by cell phones
A. Ultraviolet wave
B. Microwaves
C. Radio Waves
B. Microwaves
light waves travel fastest in _____.
A. Solids
B. Liquid
C. Gases
C. Gases
The distance between one crest and another
Wavelength
A sound wave are produce by ____ in matter.
A. Echoes
B. Vibrations
C. Explosions
B. Vibrations
When you see an object that is not a light source, you are seeing light waves _____ by the object.
A. Reflected
B. Refracted
C. Absorbed
A. Reflected
Electromagnetic wave that are responsible for the colors we see
A. Ultraviolet waves
B. Infrared Waves
C. Visible light waves
C. Visible light waves
A _____ system locates underwater objects by sending out sound waves.
A. echo
b. sonar
b. sonar
A compression is when particles of a longitudinal wave are what?
Spaced close together
A sound wave is a series of compressions and
A. Echoes
B. Troughs
C. Rarefactions
C. Rarefactions
If a material allows most light that strikes it to pass through but forms a blurry image, then the material is
A. Opaque
B. Translucent
C. Transparent
B. Translucent
The part of the eye which contracts and relaxes to allow more light to enter?
A. Pupil
B. Cornea
C. Lens
A. Pupil
Sound waves travel fastest in _____.
A. Solids
B. Liquids
C. Gases
A. Solids
The time it takes for a complete wave to pass one point in space.
Period
A sound wave with a greater frequency have a higher
A. Pitch
B. Amplitude
C. Decibel
A. Pitch
The change in direction of light waves when they pass through one material to another is
A. Refraction
B. Absorption
C. Reflection
a. Refraction
Which of the eyes cells allows you to see color?
A. Rod cells
B. Cone cells
B. Cone cells
Sound waves travel faster through
A. solids
b. Liquids
A. solids
A wave that travels along the surface separating two media.
Surface wave