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Josh Parsons invented earmuffs. True or False?
False. Chester Greenwood
Chester Greenwood invented earmuffs when he was __________ years old
15
What's unusual about earmuffs?
They were invented by a kids
What was Chester's favorite sport?
ice-skating
Chester Greenwood's earmuffs are an example solving a problem. True or False?
True
Chester Greenwood's earmuffs are an example solving a problem. True or False?
True
How have earmuffs changed since Chester Greenwood invented them?
All earmuffs now block out loud noise
How did a patent help Greenwood to become rich?
No one else could make earmuffs, so everyone had to buy his
What did David Potter need help with?
Throwing a ball
David Potter could not catch and bat a ball. True or False?
False. He could catch and bat the ball
What happened to David Potter after the accidents?
His arms had been amputated below the elbows
What is a device that replaces a missing body part called?
Prosthesis
What was the glove's model made of?
Paper
What was the glove made of?
Leather
Why did Parson invent the glove?
Because it can help David to catch the ball
Where did Reeba get the idea to invent the washer/dryer?
Her mom gave her the idea. She said " invent something everyone could you - something that saves time.
