Sound World: words to know
Teaching this? Open projector mode
Buzzer — A small speaker that makes a beep when powered. Has + and - polarity.
Frequency — How fast something vibrates. Higher frequency = higher pitch sound.
Voltage — The 'push' that moves current through a circuit. Measured in Volts. More voltage = more push.
Speaker — A part that turns a changing electrical signal into sound. A real speaker needs a suitable audio driver.
Which word matches this explanation? “How fast something vibrates. Higher frequency = higher pitch sound.”
Which component does this job? “A light that can change color. Has Red, Green, Blue legs.”
Which word matches this explanation? “A part that turns a changing electrical signal into sound. A real speaker needs a suitable audio driver.”
Which component does this job? “Makes a beep sound when powered.”
Which component does this job? “A tiny light. Connect the long leg (+) to the battery's + side.”