Pre-Test Unit 5: Climate Change

Which type of graph is best used to represent trends in data?

• Line Graph

• Bar Graph

• Pie Graph

• Pictograph

The red line in the middle of the data points is called..

• A best fit line

• A staggered line

• A medium line

• A mode line

Tags

NGSS.MS-PS3-1

Why do scientists use a BEST FIT line on a graph?

• Connecting all the dots looks messy

• To help predict unknown data by observing trends

• Scientists do NOT use best fit lines

• All of the above

Tags

NGSS.MS-PS3-1

The data shows the older you get your annual income _____

• decreases

• increases

• stays the same

Using this best fit line to make a prediction about the future of annual income as someone ages would be considered

• Interpolating data

• Extrapolating data

• Impossible, we cannot predict the future

• Astrology

Tags

NGSS.HS-PS4-1

The data shows that the more you exercise your resting heartrate will __________________

• increase

• decrease

• stay the same

What will be my approximate grade if I watch TV 12 hours per week.

• 60%

• 45%

• 25%

• 8%

Tags

NGSS.MS-PS3-1

Using this data to predict a grade of 25% if I watch 12 hours of TV per week is...

• interpolating data

• extrapolating data

• Using data to deter TV time

• is 100% accurate

Analyze the graph. What conclusion can you make based on the data presented

• The global average temperature has been steadily decreasing for about 100 years.

• The global average temperature has not changed in about 150 years.

• It was warmer in 1880 than in 1980.

• We have seen a sharp increase in temperature since about the 1960's

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

CO₂ is a common greenhouse gas. Analyze the graph. What conclusion can be made based on the data presented?

• Current CO₂ levels are the highest they have ever been.

• Current CO₂ levels are higher than they have been in over 400,000 years.

• Current CO₂ levels have jumped significantly higher over the past 100,000 years.

• Current CO₂ levels are not significantly different than CO₂ levels of the past.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5