Chemistry Questions

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Question description

1.  How do measurements relate to scientific investigations?

Path:p

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5 points  

QUESTION 19

1.  Imagine an archer shooting arrows at a target. Describe the arrow pattern of an archer who is neither accurate nor precise.

1. 

2.  Match following measurements to the correct SI units.

0.0000001 g

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0.001 g

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100 g

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1,000 g

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10,000 g

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Answer

A.

10 kg

B.

100,000 mg

C.

1 kg

D.

0.0001 mg

E.

1 mg

5 points  

QUESTION 30

1.  Match the appropriate SI base unit with the measurement.

kilogram (kg)

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meter (m)

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second (s)

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Kelvin (K)

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Ampere (A)

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Answer

A.

Time

B.

Temperature

C.

mass

D.

Current

E.

Length

5 points  

QUESTION 31

1.  Match the following scientific advances to the correct historical, political, societal, or economic developments.

Invention of semiconductors

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Invention of assembly line

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Advances in medicine

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Advancements in agricultural practices

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Invention of solar panels

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Invention of plastics and Kevlar

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Answer

A.

increased protection for people

B.

free energy for electricity production

C.

cures and vaccines for diseases

D.

increased productivity

E.

helps starving people in the world

F.

technology and computers


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