Read "Develop Solutions" another group asks questions about the text
open answers
read "Choose one solution" what was Kramer's best solution?
His player would be made of strong materials and be small in size.
what is a prototype?
A prototype is the first working product that uses a design.
What was Kramer's player like?
It was small and easy to use.
Why do engineers test a prototype?
to determine if it meets their expectations
P 13. activity 6. question 1: How did Kramer communicate his results?
Kramer sent a report of his invention to a group of people
P 13. activity 6. question 2: What did the report say?
it described the way his invention worked and how the player could change the way people listened the music
what does evaluate means?
Evaluate means to find out how well something works.
how do people try to make prototype better?
by redesigning
when did first digital audio player become available?
in 1997
