What does a wave transfer?
A. Matter
B. Energy
C. Friction
D. Water
B. Energy
Energy that travels through matter and includes sound waves is called a ____.
A. Mechanical Wave
B. Longitudinal Wave
C. Refraction wave
D. Rarefaction wave
A. Mechanical Wave
What does a wave transfer?
A. Matter
B. Energy
C. Friction
D. Water
B. Energy
An optical illusion that makes a straw in water appear to be bent or broken is caused by....
A. reflection
B. absorption
C. refraction
D. transmission
C. refraction
Which type of signal is most reliable?
a. analog
b. digital
c. wave
d. flash
b. digital
Material through which a wave travels.
A. Frequency
B. Absorption
C. Medium
D. Amplitude
C. Medium
A loud sound has a low amplitude.
A. True
B. False
B. False
When a wave's energy is transferred to an object, rather than being transmitted through it or reflected by it, it is......
A. reflected
B. transmitted
C. aborbed
D. refracted
c. absorbed
What color roof might help keep your house a little warmer?
A. Black because it absorbs
B. White because it absorbs
C. The color will make no difference
A. Black because it absorbs
What does it mean to encode information?
a. to convert into a form and give it meaning
b. to decipher and figure out what it means
c. to change the frequency of the wave
d. to explain something
a. to convert into a form and give it meaning
A form of energy that travels through an empty space and includes, visible light, radio waves, and x rays.
A. Seismic wave
B. Mechanical wave
C. Electromagnetic Wave
D. Amplitude Wave
C. Electromagnetic Wave
A sound wave moves through a medium. It can move through a solid, liquid or gas. Which medium would a sound wave move through faster?
A. Solid
B. Liquid
C. Gas
A. Solid
When electromagnetic waves are absorbed by an object, what happens?
A. nothing
B. the object moves
C. the objects stops moving
d. the object becomes warmer
d. the object becomes warmer
Light shining through a glass window to provide natural sunlight in a house is an example of....
A. absorption
B. refraction
C. reflection
D. transmission
D. transmission
Which type of signal can be transmitted over long distances and easily stored?
a. analog
b. digital
c. wave
d. flash
b. digital
The number of waves that can pass a given point in one second.
A. Amplitude
B. Friction
C. Crest
D. Frequency
D. Frequency
What is a wave that has both longitudinal and transverse properties?
A. Sound waves underwater
B. Waves in the ocean
C. Light waves
D. Heat waves
B. Waves in the ocean
When a wave bounces off a surface and moves in a different direction it is called....
A. refraction
B. reflection
C. absorption
D. transmission
B. reflection
When you look at a lake and it looks shiny, what is this an example of?
A. reflection
B. absorption
C. refraction
D. transmission
A. reflection
If a message is disrupted, which type of signal must start over from the beginning?
a. analog
b. digital
c. wave
d. flash
a. analog
When the particles of the medium are displaced in a direction parallel to energy transport it is a _____.
A. Longitudinal
B. Transverse
C. Reflective
D. High-frequency
A. Longitudinal
You have two sounds. A bird chirping and a siren blaring. Which would have a higher amplitude?
A. Siren
B. Bird
C. Both
D. Neither
A. Siren
When the transfer of energy in a motion that is perpendicular to the direction the wave is traveling it is...
A. longitudinal
B. transverse
C. reflective
D. high-frequency
B. transverse
When light hits a red wagon, some other energy is absorbed and.....
A. red light reflected
B. red light is absorbed
C. blue light is reflected
D. all light is asborbed
A. red light is reflected
Why are analog waves more influenced by noise than digital waves?
A. Analog waves have a higher amplitude than digital waves.
B. Analog waves have a greater frequency than digital waves.
C. Analog waves are one continuous stream
D. Analog waves have an on and off feature
C. Analog waves are one continuous stream