Vocabulary
What is a speaker?
A speaker is something that makes sound
The world is on the back of your hand
The world is in the palm of your hand
How much did the portable phone weigh?
Over 1 kg or 2 pounds
What is a mouthpiece?
A mouthpiece is something you talk into
The portable phone came before the rotary phone
False. The rotary phone came first
How long did the battery last on the portable phone?
The battery lasted about 30 minutes
Is this sentence correct?
The candlestick phone was portable
No. The candlestick phone was not portable
The newest phone is the smartphone
True
How long did it take for the portable phone to charge?
It took about 10 hours to charge
Correct this sentence
The clamshell had a separate mouthpiece and speaker
The Candlestick had a separate mouthpiece and speaker
Clamshell phones had a battery that only lasted thirty minutes
False. Clamshell batteries lasted all day
What is different about the portable phone and the rotary phone?
The portable phone is mobile and has a battery. The rotary phone can't move and doesn't have buttons
Make a sentence using this word
Touchscreen
.
There is no way to make a better phone than the smartphone
False. There are many ways to make a better phone
What is the difference between the clamshell phone and the smartphone?
The smartphone has a touch screen and is still used today. The clamshell has buttons and flipped open