Chemistry Questions
1. How do measurements relate to scientific investigations?
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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.
– A. B. C. D. E.
0.0000001 g
Read Answer Items for Question 29
– A. B. C. D. E.
0.001 g
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– A. B. C. D. E.
100 g
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– A. B. C. D. E.
1,000 g
Read Answer Items for Question 29
– A. B. C. D. E.
10,000 g
Read Answer Items for Question 29
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.
– A. B. C. D. E.
kilogram (kg)
Read Answer Items for Question 30
– A. B. C. D. E.
meter (m)
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– A. B. C. D. E.
second (s)
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– A. B. C. D. E.
Kelvin (K)
Read Answer Items for Question 30
– A. B. C. D. E.
Ampere (A)
Read Answer Items for Question 30
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.
– A. B. C. D. E. F.
Invention of semiconductors
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– A. B. C. D. E. F.
Invention of assembly line
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– A. B. C. D. E. F.
Advances in medicine
Read Answer Items for Question 31
– A. B. C. D. E. F.
Advancements in agricultural practices
Read Answer Items for Question 31
– A. B. C. D. E. F.
Invention of solar panels
Read Answer Items for Question 31
– A. B. C. D. E. F.
Invention of plastics and Kevlar
Read Answer Items for Question 31
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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