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block

A scientific hypothesis

Select the correct answer(s).  

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does not have to be tested to be accepted as correct

can be based on personal beliefs or opinions

is a proven fact with much evidence to support it

can be tested by experiments or observations

none

What are the smallest objects that biologists study?

Select the correct answer(s).  

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celles

molecules

body organs

organisms

none

Suppose a scientist must choose whether to publish a report in a newpaper or in a peer reviewed journal. What is a benefit of publishing in the journal?

Select the correct answer(s).  

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The report will be published more quickly in the journal

The reviewers will fix mistakes in the report's experiment

Other scientists will know that everything in the report is true

The quality of the report will meet high scientific standards

none

How does studying science help you be a better person?

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Learning the biases of science will help you know what is right or wrong

Understanding science how science works will help you make better decisions

Memorizing science facts will help become more intelligent

Knowing science will help you live without the aid of technology

none

When salt is dissolved in water, water is the

Select the correct answer(s).  

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solute

reactant

solution

solvent

none

A scientist discovers an important breakthrough in cancer treatment. The scientist thinks the information could save thousands of lives and immediately announces the results on national television, skipping peer review. How might other scientists react to this news?

Select the correct answer(s).  

(0/0)

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they will congratulate the scientist for the discovery

they will quickly start to use the new treatment on their patients

they will denounce the work and call the scientist a fraud

They will be skeptical because the report was not peer-reviewed

none

What does a reviewer do during peer-review?

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change data to support details

Focus on mistakes in spelling

repeat experiments in the article

Check for mistakes and bias

none

Which of the following make up a molecule of water?

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one atom of hydrogen and one atom of oxygen

one atom of sodium and one atom of chlorine

one atom of hydrogen and two atoms of oxygen

two atoms of hydrogen and one atom of oxygen

none

Information gathered from observing a plant grow 3 cm over a two-week period is called

Select the correct answer(s).  

(0/0)

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data

hypotheses

inferences

variables

none

If an atom contains 11 protons and 12 neutrons, its atomic number is

Select the correct answer(s).  

(0/0)

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1

11

23

12

none

A student sees a bee on a flower. The student wonders how the bee finds flowers. This student is displaying the scientific attitude of

Select the correct answer(s).  

(0/0)

---

curiosity

open-mindedness

creativity

skepticism

none

The basic unit of length in the metric system is the

Select the correct answer(s).  

(0/0)

---

gram

yard

meter

liter

none

In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom is

Select the correct answer(s).  

(0/0)

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slightly negative

slightly positive

very positive

very negative

none

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is

Select the correct answer(s).  

(0/0)

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3

7

4

11

none

Science differs from other disciplines, such as history and the arts, because science relies on

Select the correct answer(s).  

(0/0)

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theories

facts

observations

testing explanations