Scientific Inquiry

Question 1

Read each example of data below and identify whether it is qualitative or quantitative. 28.5 cm tall

Revolt · Accepted Answer

B: quantitative data

Question 2

Read each example and identify whether the data are observations or inferences from observations.The fish’s ventral fin measured 8.5 cm long.

Revolt · Accepted Answer

B: observation

Question 3

Revolt · Accepted Answer

D: heart monitor

Question 4

Which statements describe some ways that the student recorded data incorrectly on the lab report to the right?

Revolt · Accepted Answer

B: No units are given for the speed of the water.; C: Millimeters are not the best unit to use for the distance.; E: The student mixes units of length, using SI units for distance and customaryunits for depth.

Question 5

rough-textured

Revolt · Accepted Answer

A: qualitative data

Question 6

The population of protozoans in the lake has increased since there is an increased level of carbon dioxide in the water.

Revolt · Accepted Answer

A: inference

Question 7

Revolt · Accepted Answer

E: stopwatch

Question 8

The percentages of the area of a national park that is covered with different types of vegetation.The carbon monoxide levels in the atmosphere of several cities before and after emission limits were adopted.

Revolt · Accepted Answer

A: bar graph; C: pie graph; D: bar graph; F: pie graph

Question 9

The bird bobbed its head up and down.

Revolt · Accepted Answer

A: qualitative data

Question 10

The grizzly bear’s tracks were 5.5 cm deep in the mud; therefore, it weighs 410 kg.

Revolt · Accepted Answer

A: inference

Scientific Inquiry Answers

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