Practice of Science

Which of the following is a data table?

• 
• 
• 

Which data below matches the data presented in the graph?

• Jan 4 cm

  Mar 5 cm

  May 14 cm

• Jan 4 cm

  Mar 5 cm

  May 13 cm

• Jan 5 cm

  Mar 6 cm

  May 14 cm

• Jan 4 cm

  Mar 5 cm

  May 5 cm

Tags

NGSS.MS-ESS2-5

Examine the line graph below. If the population of Centerville continues to increase at the same rate, what will the population be in the year 2010?

• 16,000 people

• 6500 people

• 9500 people

• 8000 people

Tags

NGSS.MS-LS2-1

Joseph counted all of the different trees in the woods near his house. He made a graph showing his results. Which of the following conclusions can Joseph draw from his graph?

• There are more elms than oaks in the woods near his house.

• Cedars are the tallest trees in the woods near his house.

• There are 95 trees in the woods near his house.

• Maple trees are not able to grow in the woods near his house.

Tags

NGSS.MS-LS2-1

Examine the graph. Which variable is the dependent variable?

• population (in thousands)

• year

What is the best definition of a conclusion?

• a written description of events that occurred during an experiment

• an act of recognizing and noting an occurrence by using the senses

• a possible explanation of a scientific question based on observation

• an explanation that uses data to support or reject a hypothesis

The one factor that a scientist changes during an experiment.

• Controlled Variable

• Dependent Variable

• Independent Variable

The variable that is measured.

• Controlled Variable

• Dependent Variable

• Independent Variable

The factors that stay the same or are constant throughout the experiment.

• Controlled Variable

• Dependent Variable

• Independent Variable

Walker is testing which fertilizer will grow the tallest grass.  The height of the grown grass is the __ variable.

• constant (same)
• independent (changes)
• dependent (measured)