Based only on the data table, what is MOST LIKELY a source of error? 

• The students did not use the same starting water temperature for each material
• The students used 2 minute time intervals and should have used longer ones
• The students only tested 3 different exothermic reactions
• The students measured in degrees Celsius.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

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

It is important to share data from scientific experiments with others. Which of the following methods is a valid way to present collected data?

• There is no need to present scientific data

• Record the data in a private lab journal.

• Publish the data in an academic journal

• Give a speech about the data if the data supports the original hypothesis

Tags

NGSS.MS-PS3-1

Examine the graph. What variable is the independent variable?

• month

• rainfall in centimeters

• both

Tags

NGSS.MS-PS3-1

Examine the graph. Which variable is the dependent variable?

• population (in thousands)

• year

According to the bar graph which breed of dog is there more of in this kennel?

• beagle

• collie

• poodle

• bulldog

How are scientific evidence and scientific conclusions related?

• Scientific evidence and scientific conclusions are the same thing.

• Scientific evidence is based on scientific conclusions.

• Scientific conclusion must be made before examining scientific evidence.

• Scientific conclusions are based on scientific evidence.

Tags

NGSS.MS-PS3-5

• Algae multiply most rapidly at 35^oC.

• Algae multiply most slowly at 20^oC.

• Algae multiply most rapidly at 20^oC.

• Algae multiply most slowly at 10^oC.

Tags

NGSS.MS-LS1-5