Show:
Sound Lesson 1 and 2
Light Lesson 2
Waves Lesson 1
Sound Lesson 4
Misc.
100
Sound waves travel through _____.
A Medium
100
A vacuum is a space that contains no air or ______.
gas
100
Waves that require a medium to travel are called
Mechanical waves
100
Your ear gathers sound waves and sends information about sound to your
brain
100
Waves change direction by
reflection, refraction, and diffraction
200
Sound waves travel best in
solids
200
Which wave in the electromagnetic has the most energy
gamma rays
200
What forms when a source of energy causes a medium to vibrate
waves
200
The first section of your ear is
the outer ear
200
A wave moving toward the surface at an angle is
An incoming wave
300
The speed of sound depends on temperature, stiffness, and
density
300
What wave in the electromagnetic spectrum can we feel ?
infrared
300
true or false: the three types of waves are longitudinal, surface, and mechanical.
false
300
The second section of your ear is called the
Middle ear
300
The angle between the reflected wave and the normal wave is
The angle of reflection
400
true or false:you can hear sound from the moon.
false
400
what does R.A.D.A.R stand for?
RAdio Detection And Ranging
400
The low point on a transverse wave is called a
trough
400
The last section that carries the sound to the brain is called the
inner ear
400
A wave bouncing off the surface at an angle is
A reflected wave
500
what is a disturbance that travels through a medium as a longitudinal wave?
sound
500
what is the only light that we can see?
visible light
500
The high point on a transverse wave is called a
crest
500
The smallest bones in your ear are called
the hammer, anvil, and stirrup
500
A line perpendicular to the surface at the point where reflection occurs is
A normal line