Who is ___________ on the one hundred-dollar bill?
depict
depicted
depicting
You Tube was ___________ for 1.65 billion dollars by Steve Chen.
sold
sell
buy
bought
Zippers were invented in 19 century. At first they were only used for ___________________making them faster to put on
hoods
coats
shoes
In the United Kingdom, the _________ for a book lasts for 70 years after the author dies.
outcome
copyright
common sense
_________ is the greatest invention in history because it opened people up to a whole new world. It was made by Benjamin Franklin. Without it, the world would never be able to innovate.
Computer programming
X-ray photography
Electricity
The first antibiotic penicillin was invented by accident, however medicine would have progressed without it
True
False
1. What was Dr. Spencer Silver originally trying to invent in 1968?
A bookmark
A super-strong glue
A type of yellow paper
A reusable notebook
2. Why was his adhesive first considered “useless”?
It was too expensive
It was too weak for most purposes
It was too sticky to remove
It only worked on yellow paper
3. Who came up with the idea of using the adhesive on bookmarks?
Dr. Spencer Silver
A lab assistant
Art Fry
A paper manufacturer
4. In what year did Art Fry think of using the adhesive for bookmarks?
in nineteen forty-seven
in nineteen seventy-five
in nineteen sixty-eight
in nineteen seventy-four
5. Why were the first Post-it® notes yellow?
Yellow was chosen for marketing reasons
The yellow scrap paper was used for them
It was the cheapest color available
Yellow was easier to see in books
I didn't mean to knock it over. I need to apologize to you. It happened accidentally.
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