Scientific Notation and Significant Figures

Question 1

Soda and other carbonated beverages seem more "fizzy" when they are served on an airplane at standard cruising altitude. Write a hypothesis that could explain this observation

Revolt · Accepted Answer

If the atmospheric pressure surrounding a carbonated beverage decreases, then more gas will escape from the liquid, making the drink appear more fizzy.

Question 2

Summarize the differences between a legal law and a scientific law.

Revolt · Accepted Answer

Legal laws are passed by lawmakers and are based on the opinions and beliefs of people, which means they can be changed if people's minds change and can have exceptions. In contrast, scientific laws are discovered and tested through experiments and observations. They describe universal truths about the natural world that do not change based on human opinion.

Question 3

Question 3

Revolt · Accepted Answer

A

Question 4

Which of the following are testable?

Revolt · Accepted Answer

A: hypotheses; B: laws; C: theories

Question 5

Question 5

Revolt · Accepted Answer

A,C

Question 6

Your hypothesis should meet all the following criteria. Check the box next to each criterion that your hypothesis met.

Revolt · Accepted Answer

A: It’s testable.; B: It can be supported or refuted by data.; C: It includes a prediction.

Question 7

Did your answer include all of the following?

Revolt · Accepted Answer

A: Legal laws are passed by lawmakers in a democratic process that accounts for people's opinions and beliefs.; B: Scientific laws are discovered and tested by experiments.; C: Legal laws can be changed if people change their minds.; D: Legal laws may have exceptions.

Question 8

Question 8

Revolt · Accepted Answer

B

Question 9

Which of the following are falsifiable?

Revolt · Accepted Answer

A: hypotheses; B: laws; C: theories

Question 10

Question 10

Revolt · Accepted Answer

B,C

Scientific Notation and Significant Figures Answers

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