Vocabulary
This is what engineers create to fix a problem.
solution
The first step before designing a solution.
research
Looking at older designs and solutions helps...
improve current or new ones
It takes many of these to make sure a solution will work.
prototypes
Fair testing does not give any condition a "nudge"
advantage
engineers observe changes to one part of a solution at a time in a...
Fair test
In Exploration 1, we researched _____ ___.
Animal ears
Engineers look at a few key things with old solutions.
what does/doesn't work
criteria and constraints
Distance, sound source, and individual speakers when testing should..
remain the same in each test
engineers change one _____ at a time
variable
the problem solved, with animal ears' and good hearing is...
communication, hearing danger and finding food.
An ear trumpet is an example of this
hearing enhancing device
Video gamers, athletes, drivers can use this to test their skills.
eye-tracking rig
these professions benefits from using an anechoic chamber
musician
Each solution starts as a _____, or an early version before testing.
prototype
animals have differences in ear shapes, what do engineers learn?
how they can used similar shapes to model solutions
This is a medical hearing enhancing device that helps doctors hear heart and lung sounds
stethoscope
Engineers solve this when testing audio devices
sound quality.
studying old prototypes, making more than one design, identifying criteria and constraints, and making improvements
good design practices
A _______ _______ is used to test speakers, headphones, or microphones.
anechoic chamber
Listening to song birds help engineers make devices based on their...
pitch, tone, or song.
I will be testing laundry detergents to find the best one, I will consider these variables
wash time, fabric, water temp, etc.
Bad design practices:
changing multiple variables, skipping testing, and testing once