CO2 Levels
What has been happening to CO2 levels in recent decades?
What is - they have been increasing
What are three examples of natural causes of CO2?
What is… Decomposition, Respiration, Volcanic eruptions (answers vary)
Why is too much C02 the most harmful greenhouse gas when too much is in the air?
What is… C02 stays in the atmosphere for centuries
Who caused the sudden spike in CO2 in recent years?
What is... Humans
What are three examples of unnatural causes of CO2?
What is… Fossil fuels, Deforestation, Transportation (answers vary)
What does solar energy do once it passes through Earth’s atmosphere (2 things)
What is.. reflects and emits light back out into the atmosphere.
What happens when there is excess CO2 trapped in the atmosphere?
What is - our planet warms (global warming
Where does CO2 go after it is released/emitted?
What is… absorbed by plants through photosynthesis, the atmosphere, and the ocean
What direction does the infrared heat trapped by greenhouse gases go when remitted?
What is..all directions
What will happen to our planet if CO2 levels continue to rise?
What is - Our Earth will continue to warm, causing extreme consequences (heat waves, droughts, tornados)
What happens when a tree is cut down (deforestation)?
What is… CO2 levels in the atmosphere rwill immediately spike up because trees act as carbon sinks and hold a lot of carbon in their trunks, roots, and branches
What is the difference between lower frequency and higher frequency rays?
What is… high frequency is comes onto the earth hotter and lower frequency colder.
What would happen if we didn’t have any carbon dioxide in our atmosphere?
What is - Our planet would be way too cold to live on, making it uninhabitable.
Why do CO2 levels typically drop during spring and summer?
What is… because the trees and plants absorb the gas at a rapid pace.
What are the things greenhouse gases do when hit by sun rays (four things)?
- Answer: What is… emit, reflect, absorb, transmit