2.1 HOW ARE SOUNDS MADE? Flashcards
a variable that you keep the same during your investigation
control variable
a variable that you can observe and measure
dependent variable
a variable that you can change
independent variable
a verb to describe playing a stringed instrument
pluck
a verb which means to move backwards and forwards very fast
vibrate
the noun which describes one of the backwards and forwards movement
vibration
what is a sound?
a sound is a form of energy that can be heard and travels in wave
what is a vibration?
a vibration is a very quick movement back and forth
what is a volume?
the volume is how loud or soft a sound is
how does volume rely on vibrations?
volume relies on the size of the vibration
what is a pitch?
a pitch is how high or low a sound is
how does pitch rely on vibrations?
pitch relies on the speed of the vibration
