WorksheetsCh. 6 Review
Total questions: 8
Worksheet time: 4mins
Which of the following do paleoclimatologists use to investigate the climate in the past?
fossils
ice core samples
coral
all of the choices
To learn more about your local community, you've decided you like to know how climate here has changed in recent history. If you want to collect rainfall data for the past 100 years, but do not have access to human records, which of the following climate proxies would be most helpful to you?
coral
tree rings
fossil fuels in bedrock
ice cores
Which types of forces (natural or human) follows what scientists observe (black line)?
Models with only natural forces.
Models with human and natural forces.
How do we know climate change is caused by human activity?
The extra CO2 comes from the burning of fossil fuels.
The extra CO2 comes from plants.
What's one way natural climate change is different than human caused climate change?
Sunspots are not causing the problem.
There is no natural climate change.
What trends do you notice between CO2 (bottom) and temperature (top) in the graph?
When the amount of CO2 increases, the temperature also increases.
When the amount of CO2 increases, the temperature decreases.
How do we know climate change is caused by human activity?
The levels of CO2 are extremely high compared to before the Industrial Revolution.
The levels of CO2 are lower than before the Big Bang.
What's one way natural climate change is different than human caused climate change?
No catastrophic events (like huge volcanic eruptions, changes in ocean circulation) can currently be linked to increased levels of CO2.
There is no natural climate change.
