Part B Unit 5 Exam

One thing scientists study when looking at ice cores is the…..

• air trapped from the future
• levels of CO2
• temperature only
• past rainfall

What are scientists looking for when they study pollen to learn about past climate patterns?

• See how pretty the flowers were.
• See how many bees were around.
• Find out what type of plants were growing.
• They can't study pollen.

Pick 2 answers. By looking at the diagram, identify two ways Carbon Dioxide is added to the atmosphere.

• Photosynthesis
• Food
• Combustion
• Cellular Respiration

Looking at the diagram, how is carbon added into the ground to eventually become fossil fuels?

• Cellular respiration
• Photosynthesis
• Death & decomposition
• Combustion

If a tree has a narrow tree ring, what does this tell us about the conditions for that year?

• There was a drought.
• It rained a lot.
• There was an earthquake.
• It had many insects inside.

Gas, aerosol droplets, and ash from volcanic eruptions can affect the short-term of the climate by….

• emitting CO2 levels into the air.
• creating metamorphic rock.
• destroying homes.
• cooling the Earth by reflecting radiation.

____________ helps keep climate stable by offsetting temperature and moisture fluctuations through transpiration.

• Volcanoes
• Vegetation
• CO2
• Methane

The result of this interaction can cause a change in ocean currents and generates more heat.

• Tectonic Activity
• Volcanoes
• CO2
• Vegetation

What is the largest known human activity contribution to climate change?

• Taking long showers
• Burning of fossil fuels
• Not recycling
• Riding a bike

The ocean absorbs….

• 100% of the pollen
• 95% of the pollen
• the majority of the sun’s radiation
• 75% of the population’s trash