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Carbon & Oxygen

Science Quiz On Thursday 5-22-12

QuestionAnswer
What does Co2 - O2 cycle illustrate? how animals and plants are giving off either oxygen or carbon on how they react to eachother.
Why could you say that this cycle is in "balance"? Animals give plants things and Plants give animals things.
Name 3 sources of Carbon Dioxide? Fossil Fuels, Exhailed air, Factories.
What are some sources of oxygen? Plants and Photosunthesis.
what role does carbon dioxide play in plant life processes? Carbon is nessacry for plants and photosynthesis.
what process in animal cells requires oxygen? Cellular Respiration.
Why is the natural process called a cycle? its the samething over and over again.
why is the burning of fossil fuels a concern for scientists? They burn out more and more.?
What would be a direct effect of increases in the amounts of gas? increasing the gas, that increases the temp. and pressure.
What is the source of energy behind the carbon cycle? solar energy
what is the food-producing process in plants? photosynthesis.
What the chemical equation for this process? H2O + CO2 + Sunlight
What substance is the byproduct of this process? glucose and oxygen.
why could you say that plants are a sink for carbon? plants take carbon away from the air.
what other human activities are over-loading the carbon cycle? Burning fossil fuels and Factories and Cars.
Created by: pinkpanther
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