AnswersRVACR EcologyCollecting and Organizing Data

Collecting and Organizing Data Answers

10 verified answers1 views
1
Free Preview

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
2
Free Preview

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.
3

Carlos is heading a student council project to improve cafeteria meals. He surveyed all students who eat cafeteria lunches to find out which of the five weekly cafeteria options they like least. What steps should Carlos take to best display this data?

A
He should total the votes for each of the options and plot these five values in a pie chart.
B
He should total the votes for each of the options and plot these five values in a line graph.
C
He should average the votes for each of the options and list the averages in a data table.
D
He should analyze the votes for each option and summarize the findings in a paragraph.
4

This graph shows how tall five types of trees were after they grew for 10 years. Which statement correctly describes the data shown in the graph and the type of observation used?

Question illustration
A
The gingko tree grew 14 feet; this is a qualitative observation.
B
The bur oak tree’s growth rate averaged 2.5 feet per year; this is a quantitative observation.
C
The bur oak tree is twice the height of the ash tree; this is a qualitative observation.
D
The Norway spruce grew more slowly than the sycamore every year; this is quantitative data.
5

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
6

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
7

Jim’s heart rate was monitored during periods of exercise and periods of rest. The graph shows the result of one 50-minute test.Which statement is an inference that can be made by using the graph?

Question illustration
A
Jim’s heart rate was 60 beats per minute at the start of the test.
B
Jim’s maximum heart rate during the test was 140 beats per minute.
C
Jim’s heart rate increased steadily as he continued exercising.
D
Jim’s heart rate decreased quickly after 30 minutes since he is in good shape.
8

Professor Tan studies water quality in streams near chemical plants. Which is a type of qualitative data that Professor Tan should record during these studies?

A
the pH of the water
B
any occurrences of unusual odors
C
the oxygen concentration of the water
D
any changes in sizes of fish population
9

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
10

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

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Analyzing Data and Drawing Conclusions

Quiz
10 verified answers

Collecting and Organizing Data

Quiz
11 verified answers

Animal and Plant Cells