Sound Travels
How does sound move from place to place?
It makes vibrations.
What do you call how loud or quiet a sound is?
Volume
What is the distance between waves called?
Wavelength
How does light travel?
Name the three parts of the front of the eye.
White, iris, pupil
How do we draw the shape of a sound?
A wave
What do you call how high or low a sound is?
Pitch
What is the highest part of the wave called?
Peak
What does light do what it hits an object?
It reflects off it
What part of the eye allows the amount of light in?
Pupil
How can air brake glass?
It makes air vibrate and those vibrations hit the glass, causing it to vibrate.
What parts of our ear allow us to hear?
Ear drum and little hairs
What is the height of the wave called?
Amplitude
What is the path of light?
Light Source, object, eye
Why do some people have blurry vision?
They eyeball is too long or too short. The retina isn't the right distance from the cornea
What does sound need in order to travel?
Air OR a material to vibrate
Describe the wavelength of a sound with a HIGH pitch.
Short wavelength - squished together
What is the speed a wave travels called?
Frequency
Why can't we see without light?
There is nothing to reflect off of objects.
Why can some animals see better at night?
Their pupils can get larger and let in more light.
Solid
Describe the wave length of a sound with a LOW pitch.
Long - spread apart
What is the lowest part of the wave called?
Trough
What unit do we use to measure light?
Lumen
They have a reflective layer at the back of their eye.