AnswersPBCSD_Grade_Forgiveness_2001340_Environmental_Science_S1_2020Designing Scientific Investigations

Collecting and Organizing Data Answers

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Which tool would be likely to provide the most accurate measurement of time in a laboratory experiment involving sprinting times of students?

A
a wall clock
B
an egg timer
C
a stopwatch
D
a calendar
2
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Which is the best reason for using a temperature probe instead of a simple laboratory thermometer?

A
to make measurements in degrees Celsius
B
to make measurements in degrees Fahrenheit
C
to record continuous measurements over several minutes
D
to record individual measurements several times in a day
3

Which is usually the best way to present or communicate inferred data?

A
in a bar graph
B
in a data table
C
in a simple diagram
D
in a written paragraph
4

Nydia gathered data by observing the cross section of the tree trunk that is shown below.Nydia noted all the information below. Which statement gives quantitative data?

Question illustration
A
Some of the growth rings are wider than others.
B
The tree was 20 years old when it was cut down.
C
A forest fire burned the tree during the years that it was alive.
D
The widest growth rings indicate years that had the most rainfall.
5

Tonya plans to use the lab instrument that is shown below in an experiment.Which property of matter does the instrument measure?

Question illustration
A
mass
B
volume
C
density
D
temperature
6

In a scientific investigation, the term “quantitative data” refers to numbers that are usually followed by

A
units.
B
graphs.
C
written descriptions.
D
photos of measurement.
7

LeeAnn wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in the data. Which would be the best way for LeeAnn to display her data for analysis so she can make predictions about the amount of light needed for maximum growth?

A
in a line graph
B
in a data table
C
in a bar graph
D
in a pie graph
8

Which action is the best example of a direct observation?

A
identifying which bird was present by the tracks that it leaves in the sand at a beach
B
reading numbers on a heat sensor to conclude that there is a deer in the night woods
C
listening to a cricket chirp at night and counting the number of chirps per minute
D
determining the seal population of an island by counting seals in 10 square meters of the island
9

Some tools have various levels of graduations. For example, a ruler may have graduations for both millimeters and centimeters. When measuring the length of an earthworm, which graduations would allow for the most accurate measurement?

A
millimeters
B
centimeters
C
decimeters
D
meters
10

Where in a data table should units of measurement be shown?

A
in a separate column after the column of data values
B
in parentheses, in the title of the table
C
in the headings of columns that list the data values
D
in a note next to an asterisk, below the table

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