Screen Time Can Mess with the Body's Clock

According to “Screen Time Can Mess With the Body’s ‘Clock,’” why do experts recommend against using electronic readers and similar devices when going to bed?

• The light from the screen can upset the body's internal clock.

• Reading is too stimulating for people who are trying to sleep.

• The screen can catch fire and burn your entire school down

• People are too tempted to engage in social media if the screen is on.

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CCSS.RI.6.8

CCSS.RI.8.1

CCSS.RL.6.1

CCSS.RL.7.1

CCSS.RL.8.1

According to “Screen Time Can Mess With the Body’s ‘Clock,’” what is the purpose of melatonin? Choose two options.

• It gets the body ready to sleep.

• It makes the body alert and restless.

• It tells the body that darkness has fallen.

• It tells the body that it is time to PPPAAARTAY

• It helps the brain awaken from a deep sleep.

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CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.6.2

CCSS.RL.7.2

What concern did lighting scientist Mariana Figueiro express about the study in Boston, as explained in “Screen Time Can Mess With the Body’s ‘Clock’”?

• The results might not apply in real life.

• The scientists involved did not look at all the facts.

• The study might not lead people to change their behavior.

• The information could cause a drop in the sale of tablet computers.

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CCSS.RI.11-12.10

CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10

Use context clues to determine the most likely meaning of consecutive as it is used in this quotation below:

Over two weeks, each spent four hours reading each evening before a 10 p.m. bedtime.

The volunteers read on an [electronic device] for five nights in a row. On another five nights in a row.

On another five consecutive evenings they read a printed book.

• happening sometimes if the person wanted to

• beginning after someone passed away

• taking place at unusual times

• following one after another without stopping

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CCSS.RI.8.4

CCSS.RL.7.4

CCSS.RL.8.4

CCSS.RI.6.4

CCSS.RI.7.4

Identify the choice that best answers the question.

Use context clues to determine the most likely meaning of environment as it is used in this quotation by sleep researcher Anne-Marie Chang in “Screen Time Can Mess With the Body’s ‘Clock.’”

“And these effects might be worse in the real world as opposed to the controlled environment we used."

• beliefs

• reasons

• beginnings

• setting

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CCSS.RI.8.4

CCSS.RL.7.4

CCSS.RL.8.4

CCSS.RI.6.4

CCSS.RL.6.4

Choose the most likely meaning of previously as it is used in this passage from “Screen Time Can Mess With the Body’s ‘Clock.’” Use context clues to help you.

A co-author of the study, she works at Pennsylvania State University in University Park.

Previously, she worked at Brigham and Women's Hospital.

• In a different time zone far far away...

• in a friendly way

• at an earlier time

• In a horrible way

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CCSS.RI.8.4

CCSS.RL.7.4

CCSS.RL.8.4

CCSS.RI.7.4

CCSS.RL.6.4

Given the details in “Screen Time Can Mess With the Body’s ‘Clock,’” choose the most likely long-term effect of using an e-reader before bed.

• Many people may stop trying to sleep and eventually die

• A small number of people may sleep too much and fall into a sleep coma

• screen time before trying to sleep does not really effect your long term health

• Some people may develop serious medical issues.

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CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.8.3

What was the author’s most likely purpose for writing “Screen Time Can Mess With the Body’s ‘Clock’”?

• to explain possible effects of using electronic devices before trying to sleep

• to describe the effects of too much sleep on the way people feel during the day

• to persuade people that electronic devices are better than print books

• to explain why many people have stopped sleeping

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CCSS.RI.6.6

CCSS.RI.6.9

CCSS.RI.8.6

CCSS.RL.7.6

CCSS.RL.8.6