Pssst...Hey You

Part A

In paragraph 2, what does the word exude mean?

• to project

• to disguise

• to assist

• to calculate

Tags

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.8.4

CCSS.RL.7.4

Part B: Which statement from paragraph 2 supports the answer to Part A? (meaning of exude)

• “. . . standing in a cylinder of sound . . . .”

• “. . . which humans cannot hear . . . .”

• “. . . emit audible tones as they interact with air . . . .”

• “. . . describing these interactions mathematically . . . .”

Tags

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.8.4

CCSS.RL.9-10.4

Part A:

In paragraph 2, how does the author help the reader understand how ultrasound works?

• by describing the features of new technology

• by using familiar concepts to explain new technology

• by explaining how researchers discovered new technology

• by providing additional resources about the new technology

Tags

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

Part B

Which sentence from paragraph 2 best supports the answer to Part A? (understanding how ultrasound works)

• “At that moment, you are standing in a cylinder of sound.”

• “Whereas a loudspeaker broadcasts sound in all directions, the way a lightbulb radiates light, a directional speaker shines a beam of waves akin to a spotlight.”

• “The beam consists of ultrasound waves, which humans cannot hear, but which can emit audible tones as they interact with air.”

• “By describing these interactions mathematically, engineers can coax a beam to exude voice, music or any other sound.”

Tags

CCSS.RI. 9-10.2

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.7.2

CCSS.RL.8.2