DISTINGUISHING FACTS FROM HYPOTHESES

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1. Read READ THEORIES CHANGE OVER TIME on page 233. Decide if each sentence is about a fact or a hypothesis. Then explain your answers by citing specific reasons. The first one is done for you.

a. Sentence 1 (Many people...) : fact
The information can be verified in a reliable source.

 

b. Sentence 3 (Explanations of...) :

 

c. Sentence 4 (More than...) :

 

d. Sentence 5 (They had...) :

 

e. Sentence 8 (He theorized...) :

 

f. Sentence 12 (Bonnet's views...) :

 

2. Read the first paragraph of THE FIRST CELLS on page 260. Then decide which sentences present facts and which present hypotheses.

a. Sentence 1

b. Sentence 2

c. Sentence 3

d. Sentence 4

e. Sentence 5

f. Sentence 6

 

3. Read FORMATION OF EARTH on pages 257­258. Then write the hypothesis presented in each of the following paragraphs.

a. Paragraph 1

 

b. Paragraph 2

 

c. Paragraph 3

 

d. Paragraph 4

 

e. Paragraph 5

 

4. Read THE FIRST EUKARYOTES on pages 266­267. Write the two hypotheses presented in this passage and a fact that supports each one.

a. Hypothesis
Fact

b. Hypothesis
Fact

 

5. Why is it important to back up a hypothesis with facts?

 

Click here to check your answers.

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Reading Strategy 3.1 | Worksheet 3.1
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