Sound
The decibel is used to measure a sound's
A. Pitch
B. Frequency
C. Amplitude
C. Amplitude
Light travels in _____ waves.
A. Thermal
B. Transverse
C. Radiative
B. Transverse
Sound cannot be heard where?
A. In space
B. Underwater
C. In gasses
A. In space
The highest part of a wave?
Crest/ Peak
This scientist was the first to use a telescope to study the stars.
Galileo
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
light waves travel fastest in a _____.
A. Solid
B. Liquid
C. Gas
C. Gas
The distance between one crest and another
Wavelength
This scientist discovered that white light refracted in a prism shows all the colors of the rainbow.
Isaac Newton
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
____________ objects allow some light to pass through it, but not all.
Translucent
A "compression" is when particles of matter are ____________ from a sound wave.
compressed close together
Why does a pencil appear bent, broken, or larger when put into a clear glass of water?
Water "refracts" or bends light.
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
Sound waves travel fastest through _____.
A. Solids
B. Liquids
C. Gases
A. Solids
The number of transverse waves that pass in a given point per second determines the visible color of light.
Violet has the shortest wavelength, so it has the highest f____________ of any color.
Frequency
_____________ objects do not allow light to pass through, and can either absorb light or reflect light.
Opaque
A sound wave with a greater frequency has 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
______________ objects allow ALL light to pass through them.
Transparent
The number of compression waves that pass in a given point per second determines the highness or lowness of pitch.
The shorter the wavelength, the higher the pitch, and the higher the f_____________.
Frequency
This color has the shortest wavelengths and highest frequency of any color on the electromagnetic spectrum.
Violet