Chemistry Questions

November 4, 2020/in Science Assignment Help /by admin

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.

	0.0000001 g Read Answer Items for Question 29
	0.001 g Read Answer Items for Question 29
	100 g Read Answer Items for Question 29
	1,000 g Read Answer Items for Question 29
	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.

	kilogram (kg) Read Answer Items for Question 30
	meter (m) Read Answer Items for Question 30
	second (s) Read Answer Items for Question 30
	Kelvin (K) Read Answer Items for Question 30
	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.

	Invention of semiconductors Read Answer Items for Question 31
	Invention of assembly line Read Answer Items for Question 31
	Advances in medicine Read Answer Items for Question 31
	Advancements in agricultural practices Read Answer Items for Question 31
	Invention of solar panels Read Answer Items for Question 31
	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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