Unit Review
What is the first step in the data cycle?
Formulate Questions
What does the horizontal axis (x-axis) usually represent in a line graph?
The time or categories being measured, what is being measured
What can you infer if two lines on a graph cross each other?
The two things being measured had the same value at that point
When reading a line graph, how can you find out how much a value has changed between two points?
Subtract the smaller value from the larger value
Which of these is the best question to collect data for a line graph?
What temperature was it each day this week?
If you're making a line graph about daily rainfall, what would go on the vertical axis (y-axis)?
Amount of rainfall
If a line graph shows the temperature each hour, and the line goes down, what does this mean?
It's getting colder
What prediction can you make if a line graph showing population growth continues to go up steadily?
The population will probably continue to increase
If you want to know how much a plant grows over time, what kind of data would you collect?
The plant's height each day
How many data points will you have on a line graph measuring a year of data?
12
Which of these would be best represented by a line graph?
Number of students absent each day of the month
If a line graph shows the number of ice cream cones sold each month, which statement is likely true?
Ice cream sales are likely higher in summer months
Which tool would be most helpful for measuring the daily temperature outside?
Thermometer
What does a rising line in a line graph usually indicate?
An increase in values
What does a flat line in a line graph indicate?
The values are staying the same
What does the space between each mark on an axis represent?
a. The title of the graph
b. The scale or interval
c. The data points
d. The prediction for future data
The scale or interval
On a line graph, where do we typically write the title?
At the top of the graph
If a line graph shows the number of books read by a student each month, what does the highest point represent?
The month with the most read books
If you're creating a line graph about plant growth, what would be a good title?
a. "My Science Project"
b. "Plant Height Over Time"
c. "Types of Plants"
d. "How to Grow Plants"
"Plant height over time"
When comparing two line graphs with the same x-axis, what can you learn?
a. How the two sets of data are related
b. That one graph must be wrong
c. That the data can't be compared
d. That both graphs show the same information
How the two sets of data are related