APS 1: Future Sound Station lab/17.4 Reading Guide

At Lab Station #6: Do not put your mouth on the _______________, just blow across the tops.

Sound vibrations are amplified in the _______________ ear.

Two waves canceling each other out is an example of______________________.

We perceive the shock wave of a plane breaking the sound barrier as the___________________.

At Lab Station #1: String Plucking, what shouldn't you do?

Sound intensity is measured in units called_______________.

The rate at which a wave's energy flows through a given area is ____________________.

Sound is recorded by converting it into __________________signals that can be stored.

At Lab Station #2: Singing Crystal, the glass should start out ____________full

At Lab Station #5: you have a ______________.

At Lab Station #4:Dancing Water, strike the tuning fork against the ______________.

At Lab Station #7: Oatmeal Magic, what should you wear when working with a heat source?

At Lab Station #3: Straw Slide Whistle, your first step should be:____________________.

Sound waves travel quickest in:______________.

Sound waves are _______________waves

What is the response of a standing wave to another of the same frequency?

This sound property is the physical response to the intensity of sound.

Ultrasound uses frequencies that are _______________ the average threshold of human hearing.

A change in sound frequency due to a moving source or listener is called __________________.

Musical instruments vary pitch by changing the _________________of standing waves.