Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Review Science Cat 3
0
%
0
0
0
Back
Restart
When we make the guitar’s string tighter (căng hơn), we ............ (increase / decrease) the pitch of the sound.
increase
Oops!
Okay!
to move from one place to another.
travel
Oops!
Okay!
how loud or soft a sound is
volume
Oops!
Okay!
a very small movement backwards and forwards
vibration
Oops!
Okay!
Big or small: Which drum has a high-pitched sound?
small drum
Oops!
Okay!
Big or small: Which drum has a low-pitched sound?
big drum
Oops!
Okay!
Things that can change the result of an investigation (f __ __ __ __ __ __)
factors
Oops!
Okay!
Which material do the sounds go best through?
solid
Oops!
Okay!
Give one example of string instrument
done
Oops!
Okay!
the machine we use to measure the volume of the sound.
sound level meter
Oops!
Okay!
to make sounds softer and less clear.
muffle
Oops!
Okay!
Give one example of percussion instrument
done
Oops!
Okay!
Picking up a string with your finger and letting it go (P__ __ __ __)
pluck
Oops!
Okay!
to shake very quickly back and forth
vibrate
Oops!
Okay!
True or False: the volume and the pitch of the sound are the same.
False
Oops!
Okay!
If you have a thinner guitar's string, the pitch will be ................. (higher / lower)
higher
Oops!
Okay!
how high or low a sound is.
pitch
Oops!
Okay!
Sounds travel by..................
vibrations
Oops!
Okay!
the unit we use to measure the volume of sound (dB)
decibel
Oops!
Okay!
What two factors can change the pitch of the sound of the guitar?
the length and the thickness of the strings
Oops!
Okay!
If you have a thicker guitar's string, the pitch will be ................. (higher / lower)
lower
Oops!
Okay!
where something come from.
source
Oops!
Okay!
the ........... (faster / slower) the vibrations, the higher the pitch of the sound
faster
Oops!
Okay!
the ........... (faster / slower) the vibrations, the slower the pitch of the sound
slower
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies