Producing Sound
Defined as the transfer of energy from a vibrating object in waves that travel through matter.
What is sound?
True of False: Light waves travel faster than sound waves.
What is TRUE, light travels faster than sound?
The most commonly used device to communicate is...
What is the telephone?
A person who designs and builds complex products, machines, systems or structures.
What is an engineer?
Sound is?
What is a form of energy that travels as waves through matter?
Sound travels...
What is in waves?
Sound travels as what kind of wave?
What is longitudinal?
What sound tells us to move over or get out of the way?
What is emergency alarms?
To solve engineering problems, engineers follow a series of steps called the...
What is Engineering Design Process?
The matter that sound travels through.
What is a medium?
Sound is produced when objects vibrate and these vibrations are transmitted by...
What is, atoms in air, water, or substances for some distance?
Can sound travel in a vacuum?
What is no?
Name three ways light can be used as a way to communicate.
What is:
1) Lighthouses
2) Morse Code
3) Spotlights
The steps in the Engineering Design Process are...
What are:
1) Ask
2) Imagine
3) Plan
4) Create
5) Improve
People use this to talk.
What is a voice box?
Vibrating objects start waves when...
What is, it nudges the molecule next to it, causing them to nudge the next and so on?
True of False: Light and sound can be reflected and refracted.
What is True.
The system used for detection of objects under water and for measuring depth...
What is sonar?
What is the most important step of the Engineering Design Process?
What is "improving"?
A sound wave is usually represented on a graph by a wavy horizontal line, the upper part of the wave is called...
What is the crest?
True of False: Can we see sound?
What is no, but we know the waves are there?
Echoes are made when sound bounces off a wall or a distant mountain, what is this called?
What is reflection?
The use of sound waves and echoes to determine where objects are in space.
What is echolocation?
True of False: Engineers work alone.
What is False: Engineers work in teams.
A sound wave is usually represented on a graph by a wavy horizontal line, the lower part of the wave is called...
What is the trough?