Carbon Cycle and Climate Change

What is trend on a graph?

• Data that shows change over a long period of time.
• Data that shows change over a short period of time
• Data that shows stability over a short period of time
• Data that decreases over a short period of time 

By what amount did carbon dioxide in Earth's atmosphere increase between 1960 and 2000?

• 40 -50 ppm
• 60 -70 ppm
• 110 -120 ppm
• 360 -370 ppm

How would you describe the trend in carbon dioxide since the 1900's based on this graph?

• remaining steady
• increasing
• decreasing
• impossible to tell

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

What is the trend in Arctic sea ice extent since 1979?

• increase
• decrease
• steady with some fluctuations
• impossible to tell

Which of the following removes carbon from the atmosphere?

• Combustion
• Cellular respiration
• Photosynthesis
• Death & decomposition

During what process is carbon transformed from inorganic carbon into organic carbon with high chemical potential energy (ex- glucose)?

• Photosynthesis
• Respiration
• Primary Production
• Secondary Production

Changes from minute-to-minute, hour-to-hour, day-to-day

• Climate
• Weather

It was hot all week last week, Is this a sign of climate change?

• Yes
• No

What is climate?

•  What's going on with the atmosphere at any particular time
• The type of weather that occurs during a particular season
• An area's pattern of weather over a long period of time
• How much sunshine an area gets 

Tags

NGSS.MS-ESS2-6