WorksheetsPoer Hour 72 A Perfectly Sticky Idea by Linda Ruggieri
Total questions: 10
Worksheet time: 13mins
What did Silver and Fry invent?
A. extra-strong glue
B. bookmarks
C. Post-it Notes
The text discusses the series of actions and events that led to the invention of Post-it Notes. Which action or event happened first?
A. Silver and Fry produced weak glue.
B. Researchers worked to improve the glue made by Silver and Fry.
C. Fry put glue on a piece of paper.
Post-it Notes were a great success.
What evidence from the text supports this statement?
A. "Two researchers, Spencer Silver and Arthur Fry, accidentally invented Post-it Notes."
B. "Today, Post-it Notes are one of the most popular office products in the world."
C. "Sometimes accidents turn into inventions."
What makes Post-it Notes sticky?
A. a glue of medium strength
B. a weak glue
C. an extra-strong glue
What is the main idea of this article?
A. Two researchers accidentally invented Post-it Notes.
B. Post-it Notes come in different sizes and many colors.
C. Silver and Fry were trying to develop extra-strong glue at a company called 3M.
Read these sentences from the text.
"Researchers worked to improve the glue. They made sure the glue stayed on the piece
of paper and not on the page."
Who or what does the word "they" refer to?
A. the piece of paper
B. the glue
C. researchers
Choose the answer that best completes this sentence.
Silver and Fry were trying to make strong glue, _____ they made weak glue instead.
A. so
B. but
C. because
8. Fry had the idea of putting the weak glue he and Silver had made on a piece of paper. What did he use the paper as?
What did researchers do to improve the glue made by Silver and Fry?
Explain why Post-it Notes are an example of an accident that turned into an
invention. Suppport your answer with information from the text.
