DNA & Science

What was the author’s purpose in writing “The New Science of Solving Crimes”?

• to explain how DNA is used to solve crimes

• to point out problems with using DNA to solve crimes

• to give the history of several old mysteries

• to warn against using DNA databases

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CCSS.RI.6.9

CCSS.RI.7.9

CCSS.RL.6.6

CCSS.RL.7.6

CCSS.RL.8.6

According to the first article, why is DNA a great tool for solving crimes?

• because DNA is very tiny

• because your DNA is in your saliva

• because everyone’s DNA is unique

• because analyzing DNA is not expensive

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CCSS.RI.8.7

CCSS.RL.6.9

CCSS.RL.7.7

CCSS.RL.8.5

CCSS.RL.8.7

What is the central idea/main idea of the section “Family Trees”?

• Most old mysteries are never solved.

• DNA can be found in parks and gardens.

• Many families send their DNA to testing companies.

• DNA can be used to find relatives of suspects or unknown people.

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CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.6.2

CCSS.RL.8.2

Based on the first article, which prediction is most likely to come true?

• Every old mystery will be solved.

• People will soon stop using DNA to solve crimes.

• DNA testing companies will soon go out of business.

• Solving crimes will become easier as police collect more DNA.

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CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.8.5

CCSS.RL.8.7

Based on the second article, which statement about polygraphs is true?

• They are expensive.

• They measure stress.

• They can harm your body.

• They’re used in most criminal cases today.

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CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.7.7

CCSS.RL.8.5

Both articles support the idea that ______.

• lying makes people nervous

• better polygraphs will be invented

• tools for solving crimes have changed over time

• people leave traces of themselves wherever they go

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CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.6.9

CCSS.RL.7.7

Based on the first article, why did it take so long to identify the “Unknown Boy”?

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CCSS.RI.6.7

CCSS.RI.8.7

CCSS.RL.6.9

CCSS.RL.8.5

CCSS.RL.8.7

What does “the truth” mean in the article title “The Truth About Lie Detectors”?

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CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10

Use one of the vocabulary words to fill in the blank. You must spell it correctly.

In 2021, a new ______ helped solve the mystery of the ‘Unknown Boy.”

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CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

Because everyone’s DNA is______, a person’s DNA on a glass can be good evidence that they touched it.

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CCSS.RI.6.2

CCSS.RI.8.2

CCSS.RL.7.1

CCSS.RL.7.2

CCSS.RL.8.1