Share 5.3 Cycles of Matter
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What does The Law of Conservation of Mass state?
The Law of Conservation of Mass states that matter is neither created nor destroyed during any chemical or physical change.
What does The Law of Conservation of Energy state?
The Law of Conservation of Energy states that when one form of energy is transformed to another, no energy is lost in the process.
What are the three process of the water cycle?
Evaporation, condensation, Precipitation
What is Evaporation?
Evaporation is the process by which molecules at the surface of liquid water absorb enough energy to change to a gas.
What is Condensation?
The process of a gas changing to a liquid is condensation.
How do clouds form?
The water droplets collect around dust particles and eventually form clouds.
What is Precipitation?
precipitation: rain, snow, sleet, or hail.
Who takes in carbon in the carbon cycle?
Most producers take in carbon dioxide gas from the air during photosynthesis.
How do consumers get carbon compounds in the carbon cycle?
Consumers eat other organisms and take in their carbon compounds.
How is carbon returned to the environment?
When producers and consumers break down the food to obtain energy, they release carbon dioxide to the environment.
Describe the oxygen cycle?
. Producers release oxygen as a product of photosynthesis. Most organisms take in oxygen from the air or water and use it to carry out cellular respiration
What has been one of the main cause of an increase in global temperature?
Burning of fossil fuels
What is nitrogen used for?
building protein in animals
How much of the air is nitrogen gas?
78%
Most organisms _______ use nitrogen gas, therefore nitrogen needs to be ______?
cannot, fixed
Who performs nitrogen fixation?
Certain bacteria that live on the roots of legume plants
