Pertanyaan 1Pilihan gandaWhat is sound energy?Energy produced by vibrationsEnergy from sunlightEnergy from moving waterEnergy from nuclear reactions
Pertanyaan 4Pilihan gandaWhat is the frequency range of sounds that humans can typically hear?20 to 20,000 Hz100 to 10,000 Hz50 to 15,000 Hz10 to 50,000 Hz
Pertanyaan 5Pilihan gandaWhat does the term 'amplitude' refer to in sound waves?The speed of soundThe height of the waveThe frequency of the waveThe pitch of the sound
Pertanyaan 6Pilihan gandaWhat phenomenon explains why we hear an echo?RefractionReflectionAbsorptionDiffraction
Pertanyaan 7Pilihan gandaHow does temperature affect the speed of sound?Sound travels faster in warmer temperaturesSound travels slower in warmer temperaturesTemperature has no effectSound stops at high temperatures
Pertanyaan 8Pilihan gandaWhich of the following animals can hear ultrasonic sounds?HumansDogsElephantsBirds
Pertanyaan 9Pilihan gandaWhat is the main difference between pitch and volume in sound?Pitch is how high or low a sound is, while volume is how loud or soft it isPitch is how loud or soft a sound is, while volume is how high or low it isThey are the same thingPitch refers to sound speed, volume refers to sound distance