Basics of Science/Graphing

Which of the following best describes an independent variable?

• a factor that is changed or manipulated in an experiment

• a factor that is measured or counted in an experiment

• a factor that will change in response to another variable

• a factor that is not changed or manipulated in an experiment

Which of the following best describes a dependent variable?

• a factor that is changed in an experiment

• a factor that is controlled by the experimenter

• a factor that is measured or counted in an experiment and will change as a result of another variable

• a factor that is manipulated by the investigator

On which axis does the independent variable go on?

• y-axis
• z-axis
• time-axis
• x-axis

Tags

NGSS.MS-PS3-1

On which axis does the dependent variable go on?

• y-axis
• z-axis
• time-axis
• x-axis

Tags

NGSS.MS-PS3-1

Ms. Calender took a survey of her 7th period to determine the frequencies of different eye color.

The number of students with brown eyes is:

• Greater than the number of students with green, blue, and hazel eyes combined.

• Less than the number of students with green, blue, and hazel eyes combined.

• Equal to the number of students with green, blue, and hazel eyes combined.

An investment firm creates a graph to show the performance of their stock over 12 months. Over the course of the year, is the price rising, falling, or staying the same?

• Rising

• Falling

• Staying the same

What is the dependent variable of the graph?

• Sunlight

• Day 7

• The day

• Height (cm)

Tags

NGSS.MS-LS1-5

Match the type of graph with the correct image.

• Bar Graph

• 
• Scatter Plot

• 
• Pie Chart

• 
• Line Graph

• 

Tags

NGSS.MS-PS3-1

Mrs. J. knew that students who attended her morning study sessions performed better on science tests but very few students attended them. She wanted to test if bringing doughnuts to the study sessions would increase student attendance. She continued to advertise the sessions in the same method and hold sessions at the same time. The only difference was that she brought doughnuts to the session. She had a 50% increase in attendance when she brought the doughnuts.

What is the dependent variable?

• The number of students who attend the study session

• The doughnuts

• The test

• The study session

What is labeled along the "Y" axis?

• Bubbles/min

• Depth (m)

• Plant X

• Minutes

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4