4th Grade Sound Review

Sound is a kind of __________ that you can hear.

Vibrate means to _______________.

When a vibration stops, the _________ stops.

Which of these objects has a high-pitched sound?

Which of these objects has a loud sound?

How do musical instruments make sound?

Long and thick objects make a ______ pitch.

The ________ and _________ of sound wave determines the kind of sounds heard.

Short or thin objects make a _________ pitch.

The _________ of a sound determines how high or low the sound is.

_________ vibrations make a high-pitched sound.

Then, sound moves to the part of the ear the vibrates. What part of the ear vibrates?

Which of these objects has a low-pitched sound?

__________ is how loud or soft a sound is.

What are the names of the 3 tiny bones in the ear?

The vibrations move to the ___________ which is made of 3 tiny bones.

The volume of sound is measured in ________.

Which of these objects has a soft sound?

Sound is made when objects _____________.

What part of the ear catches sounds from the air?

What do louder sounds do to your eardrums?

Sound travels in _________________.

The ___________ of an object's vibrations determines its pitch.

What happens when a sound hits a hard surface?

What happens when a sound hits a soft surface?

All sounds start with a ___________.

Fluid from the _______ ear vibrates and sends messages to your brain.

_________ vibrations make a low-pitched sound.