Pitch, Amplitude, and Volume

Emma and Michael are playing a guessing game! Help them pick the TWO things that make a LOUD sound.

• airplane

• mouse

• thunder

• breeze

Tags

NGSS.MS-PS4-1

Imagine you're at a talent show with Mia, William, and Abigail. Which of these performances will produce the HIGHEST frequency?

• A low-pitched tuba played quietly by William

• A low-pitched drum hit very hard by Abigail

• A medium-pitched guitar played loudly by Mia

• A high-pitched whistle played quietly by a contestant

Tags

NGSS.MS-PS4-1

Imagine you're in a quiet forest with Michael, Abigail, and Aiden. You hear a soft sound nearby. Which animal could it be?

• Rabbit

• Horse

• Dog

• Cow

Imagine Harper, Evelyn, and Scarlett are in a band. Which action will most likely make the HIGHEST pitched sound from their stringed instrument?

• plucking a thin string

• plucking a loose string

• plucking a long string

• plucking a broken string

While Charlotte and Mia are jamming, Charlotte notices that some guitar strings are thinner and easier to pluck than others. Mia wonders, what might be true about these strings?

• Thinner strings vibrate slower.

• Thicker strings produce lower pitches.

• Thinner strings produce lower pitches.

• Thicker strings produce more sound waves.

Imagine a fun science class where Dr. Smith is comparing the vocal cords of Michael and Samuel. Dr. Smith notes that Michael's vocal cords are moving slower than Samuel's. What could this observation suggest?

• Michael has a louder voice than Samuel.

• Samuel has a louder voice than Michael.

• Samuel has a lower-pitched voice than Michael.

• Samuel has a higher-pitched voice than Michael.

Tags

NGSS.MS-PS4-1

Imagine Mason with a high-pitched voice and Elijah with a low-pitched voice. What do you think is most likely true about their vocal cords?

• Mason's vocal cords vibrate faster than Elijah's.

• Mason's vocal cords produce straighter waves than Elijah's.

• Elijah moves air over his vocal cords at a faster rate than Mason.

• Elijah's vocal cords produce more sound waves per second than Mason's.

Imagine Oliver's guitar string vibrating super fast! What happens with the sound waves it produces?

• They produce many low-pitched sound waves.

• They produce few low-pitched sound waves.

• They produce many high-pitched sound waves.

• They produce few high-pitched sound waves.

Tags

NGSS.MS-PS4-1

Mason, Aiden, and Priya were having a blast playing basketball in the gym. As they dashed and dodged across the court, their sneakers squeaked loudly on the polished floor. What type of noise were their shoes making?

• a high-pitched sound

• a low-pitched sound

• a soft sound

• a hard sound

Tags

NGSS.MS-PS4-1

Imagine you're on a safari with Anika, Arjun, and Mason when you hear a lion roar. Anika notes that the vocal chords of a lion vibrate at a slower rate when it roars. What best describes the pitch of the lion's roar?

• high pitch

• low pitch

• soft pitch

• hard pitch