Mystery
What year did the cartoon character Mickey Mouse first appear?
1928
A disturbance involving the transfer of energy from place to place
What is a wave?
The _________ of a wave remains constant if the medium, temperature, and pressure do not change. (Hint: page 176)
What is speed?
_______ waves differ from water waves and sound waves in an important way. Because light can travel through empty space, it cannot be a matter wave like sound waves and water waves.
What are light waves?
What is the most popular makeup brand?
L'Oreal
The ability to do work
What is energy?
What two properties do you multiply together to find speed?
What is wavelength and frequency?
The law of reflection states that the angle of incidence equals the angle of _________ . (Hint: page 179)
What is reflection?
Where was modern golf invented in the 15th century?
Scotland
The material through which a wave travels (can be a solid, liquid, or gas)
What is a medium?
A wave has a frequency of 10 Hz and a wavelength of 15 m. What is the speed of the wave?
Speed = Wavelength x Frequency
What is 150 m/s?
___________ is responsible for the iridescent colors seen in oil films, soap bubbles, and the feathers of some birds. The bright colors are only seen at specific angles of reflection. (Hint: page 182)
What is interference?
What is the only country to have played in every single soccer World Cup?
Brazil
The highest point of a wave
What is a crest?
A wave has a speed of 100 m/s and a frequency of 0.1 Hz. What is the frequency of the wave?
Wavelength = Speed / Frequency
What is 1,000 m?
If the incoming wave and reflected wave have just the right frequency, they combine to form a wave that appears to stand still. This wave is called what?
What is a standing wave?
Which U.S. state is the only state to grow coffee beans?
Hawaii
The lowest point on a wave
What is a trough?
A wave has a speed of 200 m/s and a wavelength of 200,000 m. What is the frequency of the wave?
Frequency = Speed / Wavelength
What is 0.001 Hz?
In a standing wave, destructive interference produces points with zero amplitude, called nodes. Points of maximum amplitude on a standing wave are called ________ .
What are antinodes?