Wave property measured in Hertz (Hz).
What is frequency?
Substance a mechanical wave travels through.
What is a medium?
An area where molecules are far apart in a wave is called _____________.
What is rarefaction?
Heat moving from warm sand to your feet at the beach.
What is conduction?
A wave bouncing off a surface is called __________.
What is reflection?
Measured in m or mm and characterized by the greek symbol, lambda.
Distance between two crests or troughs.
What is wavelength?
In a ____________ wave, matter moves back and forth in the same direction as the wave.
What is a longitudinal wave?
In restaurants, red heat lamps are put above food to keep it warm. The lamp doesn’t touch the food, but the light shines down onto the food and warms it.
What is radiation?
When waves combine or overlap ______________ occurs.
What is interference?
What is 15 mm/s?
Half the distance between a crest and a trough.
What is amplitude?
Sound will not travel in a ____________.
What is a vacuum?
Direction that thermal energy moves.
What is from hot to cold?
An apple appears red because it reflects ___________.
What is red?
If the speed of a wave on a guitar string is 200 mm/s, and the frequency is 1,000 Hz. What is the wavelength of the wave?
What is 0.2 mm?
Number of waves that pass a given point in a unit of time.
What is frequency?
All electromagnetic waves are this type of wave.
What is a transverse wave?
True or false: warm air rises because it is more dense than the surrounding cooler air.
What is false?
A pencil looks broken when placed into a glass of water because of...
What is refraction?
A wave has a wavelength of 3 mm and a speed of 9 mm/s. What is its frequency?
What is 3 Hz?
A rhythmic disturbance that carries energy but not matter.
What is a wave?
The form of energy for x-rays and ultraviolet light.
What is electromagnetic?
The density of most matter does what when it is heated.
What is decreases?
The sky appears blue because of...
What is scattering?