Red
What is pitch?
how high or low the sound is
what is vibration?
movement of back and forth
how can we protect our ears from hearing loss?
answers may varry
Which part of the human body is mainly responsible for detecting sound?
ears
How does sound travel
Through waves
sound travels fastest through?
solid
what happens to pour hearing when we listen to loud noises all the time?
we start to experience hearing loss
What do we call a sound that is unpleasant or unwanted?
noise
what is volume?
how loud or soft a sound is
sound travels slowest through?
gas
why do we see lightning before we hear the thunder?
light travels faster than sound
What is it called when sound bounces off a surface and comes back?
echo
what do waves look like when they are high sounding?
they are short
why cant we hear sound in space
there is no air in space
sound is measured in ______
decibels
In a vacuum, no sound can be heard because:
There are no air particles to carry vibrations
what do waves look like when they are low?
they are long
what happens when we hear an echo?
the sound is reflected
what decibel can damage our hearing>?
more than 130 or 140
If a sound wave has a high frequency, how will the pitch sound?
very high pitch