Pollution
Any material, or form of energy, that will cause harm to a living organism.
What is a pollutant?
What does pH stand for?
What is the power of hydrogen?
Dissolved oxygen in water should be high or low to support life?
What is high?
The 3 most common nutirents in agricultural fertilizer.
What are nitrogen, phosphorus, and potassium?
Formula for Parts Per Million
What is mg of the solute divided by kg of the solvent?
2 natural causes of greenhouse gases to be released into the atmosphere.
What are volcanoes and forest fires?
A technology used by industry to remove SO2 gases from their emissions.
What is a scrubber?
Name at least two items that water conservationists would test for to determine water quality.
What is acidity, dissolved oxygen, heavy metals, pesticides, salts, plant nutrients (nitrogen, phosphorus)
Process to reduce the effects of acidity in lakes.
What is the process of liming? (A Base)
Explain what LD50 is, and why it is used.
What is Lethal Dose 50? And it is used to determine the dose of a chemical that will kill 50% of the population for which it is applied.
This large mass of garbage is floating in our ocean, can be seen from the International Space Station, and is the size of two Texases.
What is the Great Pacific Garbage Patch?
The term when an acid is added to a base to create water and a salt (to create subtance close to pH 7).
What is neutralization?
A type of insect that is sensitive to changes in pH in the water.
What are mayflies, caddisflies and stoneflies or "bioindicator macroinvertebrate"
Name at least two of the four types of organic molecules.
What are carbohydrates, lipids, proteins (amino acids), nucleic acids (DNA, RNA).
The unit for which LD50 is measured.
What is Parts Per Million?
Name at least two side effects of global warming due to greenhouse effect.
What is coastal flooding, melting of ice caps, more violent storms, more droughts,....
When a solution is a pH of 2, it is called
What is acidic?
Term to describe the accumulation of toxic pollutants through the food chain in water.
What is biomagnification
Who was the biologist that wrote the book called _________________________. And why was it called that?
Rachel Carson wrote Silent Spring, because DDT caused the birds to not hatch, and thus it was a quiet spring without bird song.
The lesson learned by using Thalidomide in the 1960s?
What is safe for a rat (even if large doses), may not be safe for pregnant women (even if fractional doses).
The discovery of bacterial species that can attack and break down some of the more persistent and toxic wastes is yet another method of bioremediation. Container tanks called _____________________ house these bacteria that can treat contaminated ground water.
Bioreactors
What kind two kind of of landfills protect our groundwater from leachate?
What is a sanitary landfill and what is a secure landfill?
The breakdown of organic molecules (like oil spills) by bacteria, fungi.
What is biodegradation?
The most common element in the human body.
What is oxygen?