Riip! Thanks George! (RI 3.8)

How did George Mestral come up with the idea for Velcro?

• He looked at the unusual fasteners used on hiking clothes

• He saw special fabrics that were fuzzy on one side and prickly on the other

• He had been asked to invent a new kind of fastener.

• He noticed that burs were sticking to his pants and socks after a hike

Tags

CCSS.RI.2.5

CCSS.RI.3.5

CCSS.RI.2.3

CCSS.RI.3.3

CCSS.RI.4.3

Which sentence from the passage best supports your answer to Part A?

• “Close up, George saw that each little spike on the bur ended in a hook.”

• “After many years of experimenting, George was able to re-create the sticking power of the little burs.”

• “He named it ‘Velcro,’ a combination of the words velour (‘velvet’) and crochet (‘hook’).

• “Even toddlers could fasten and unfasten their straps!”

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.2

CCSS.RL.3.2

CCSS.RI.2.2

According to both the photographs and the text of the passage, how is a bur similar to Velcro?

• Both grow on a plant

• Both are brownish in color

• Both have tiny hooks on the ends

• Both are shaped like tiny zippers.

Tags

CCSS.RI.2.7

CCSS.RI.3.7

CCSS.RL.2.7

CCSS.RL.3.7

CCSS.RL.4.7

Reread paragraph 4 and look again at the photographs. Which two of the following details explain how Velcro is made

• It is made with spikes and hooks pulled from burs

• It uses two different pieces of fabric

• It uses the same fibers that socks are made from.

• It has prickly hooks on one side and loops on the other.

• It is made from velvet.

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.2

CCSS.RL.3.2

CCSS.RL.3.1

What is one reason that astronauts first started to use Velcro?

• It held tools in place so they wouldn’t float away.

• It allowed astronauts to wear sneakers

• It allowed astronauts to walk inside a spaceship.

• It helped astronauts walk safely on the moon.

Tags

CCSS.RI.2.5

CCSS.RI.1.5

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.5.5

Read these sentences from paragraph 5. He knew that his invention could take the place of many fasteners. Zippers, buttons, pins, and shoelaces would all become a thing of the past, he claimed

What are two ways to figure out the meaning of fasteners?

• Use the meaning of invention, which means something similar

• Use the examples in the next sentence, which are all objects used to join things together.

• Think about the meaning of fasten, which means “to hold in place.”

• Think about the meaning of fast, which means “quick.”

• Break the word fasteners down into two smaller words

Tags

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4

Why would Velcro be most useful on clothing meant for children?

• Children usually wear bulky clothing.

• Velcro makes a ripping sound that children enjoy

• Velcro straps are easy to fasten and unfasten.

• It can be used to hold caps and gloves in place.

Tags

CCSS.RI.2.9

CCSS.RI.4.8

CCSS.RI.5.8

CCSS.RL.1.5

CCSS.RL.4.5

Which sentence does the photograph of the astronaut on page 291 help you understand?

• “He knew that his invention could take the place of many fasteners.”

• “Velcro’s first big fan was NASA.”

• “It could hold tools in place so they wouldn’t float away.”

• “Astronauts had lots of bulky equipment to put on and take off.”

Tags

CCSS.RI.2.5

CCSS.RI.1.5

CCSS.RI.K.5