Interpreting Graphs, Charts, and Tables

Graphs in Science

• Graphs are often used in science to

depict information.

• Graphs are commonly found in the

“data” section of a lab report.

• There are several different types of

graphs that you will be asked to
analyze this year…
– Bar graphs
– Line graphs
– Pie Charts
– Tables/charts

Multiple Select

Which of the following are types of graphs we can use in science

• Pie Chart

• Bar Graph

• Line Graphs

• Tables/charts

• Box plots

• Shows

comparisons

Bar Graph

Multiple Choice

Which type of graph is this?

• Histogram
• Bar Graph
• Stem Plot
• Box Plot

1.

Take a look at the graph
to the right.

2.

What is this graph
showing a comparison
of?

3.

How did you know this?

4.

How many more red
skittles were in this pack
as compared to purple
skittles?

5.

Which two colors
showed the same
frequency?

Bar Graph

(from a regular size pack of Skittles)

Multiple Choice

Which type of graph is best suited for comparing data in different categories?

• line graph

• bar graph

• scatter plot

• pie chart

Multiple Choice

What type of graph is this?

• Bar Graph
• Line Plot
• Pictograph
• Tally Chart

Multiple Choice

How many more people like purple than red?

• 3
• 5
• 7
• 9

Multiple Choice

How many students have blue for a favorite color?

• 11
• 12
• 14
• 17

Multiple Choice

How many students have blue for a favorite color?

• 11
• 12
• 14
• 17

• Shows change over time

Line Graph

Multiple Choice

Which type of graph shows change over time?

• bar graph
• line graph
• circle graph

1.

What “change over time” is this graph representing?

2.

What can be said about the temperature of coffee as time
passes?

3.

What could have caused the temperature to drop more rapidly at
minute 20?

Line Graph

Multiple Choice

^{_{What type of graph is this?}}

• Line Graph
• Pictograph
• Bar Graph
• Histogram

Multiple Choice

People buy more drinks on ____ than any other day.

• Monday
• Tuesday
• Thursday
• Friday

• Shows

comparisons of
parts to a whole

Pie Chart or Circle Graph

Multiple Choice

What type of graph is this?

• Bar graph
• Histogram
• Pie Chart
• Stem Chart

Multiple Choice

A pie chart allows you to easily see

• information about the parts of a whole

• the total number of each category.
• how much data occurs within a range of numbers.
• the spread of the data.

1. What does this

pie chart
represent?

2. What is the

most popular
choice of
topping?

3. What is the

least popular
choice?

Pie Chart or Circle Graph

Multiple Choice

The team scored 50 points. How many points did Kendrick score?

• 12 points
• 20 points
• 10 points
• 72 points

Multiple Choice

According to this graph, what is the most popular flavor of Jolly Rancher?

• Cherry
• Grape 
• Blue Raspberry
• Watermelon

Multiple Choice

308 people were surveyed about how they got to school. How many ride their bike?

• 112 people
• 847 people
• 130 people
• 110 people

• Reports

data

Tables

Multiple Choice

What is this?

• Data Table
• Tape Diagram
• Histogram
• I don't know

Tables

1.

What is this table
representative of?

2.

According to the
table, which metal is
most dense?

3.

If water has a density
of 1 g/cm3, which of
these metals would
sink when placed in
water?

• S- Scale
• U- Units
• L- Labels (X & Y)
• T- Title
• A- Accurate
• N- Neat

Creating Graphs

Remember
“SULTAN”

All graphs must..

Interpreting Graphs

How to know when a graph is

misleading:

Video Link: https://www.youtube.com/watch?v=E91bGT9BjYk

Multiple Choice

What type of graph is best used to compare different categories of data?

• Bar graph

• Line graph

• Pie chart

• Scatter plot

Multiple Choice

In a bar graph, what does the length of each bar represent?

• The font size of the label

• The width of the bar

• The value of the data

• The color of the bar

Multiple Choice

When should a line graph be used instead of a bar graph?

• When comparing individual values

• When the data points are discrete

• When showing trends over time or continuous data points.

• When the data is categorical

Multiple Choice

How can you determine the trend of data from a line graph?

• By observing the overall direction of the line on the graph.

• By changing the color of the line

• By counting the number of data points

• By measuring the thickness of the line

Multiple Choice

What is the purpose of labeling the axes in a graph?

• To waste time

• To make the graph look pretty

• To confuse the audience

• The purpose of labeling the axes in a graph is to provide context and understanding of the data being presented.

Multiple Choice

How can you ensure that your data interpretation from a graph is accurate?

• Carefully read the axes labels, understand the units of measurement, check for scaling or truncation, analyze data trends, and verify the source and reliability of the graph.

• Assume all data trends are accurate

• Ignore the axes labels and units of measurement

• Don't verify the source and reliability of the graph

Multiple Choice

What are the advantages of using graphs to represent data?

• Graphs make data harder to interpret

• Graphs provide visual representation, simplify complex data, identify trends, patterns, and communicate insights effectively.

• Graphs cannot identify trends or patterns

• Graphs are not visually appealing

Multiple Choice

What is the significance of choosing appropriate scales for the axes in a graph?

• It ensures accurate representation of data and allows for clear interpretation of trends and relationships.

• It limits the amount of data that can be displayed.

• It has no impact on the accuracy of the graph.

• It distorts the data and makes interpretation difficult.

Multiple Choice

How can you effectively present your data using both bar and line graphs in the same graph?

• Present the data in a text-only format

• Use a dual-axis chart with one data series assigned to a bar chart and another to a line chart.

• Manually draw the bar and line graphs on paper

• Use a pie chart instead of bar and line graphs