Ch 2 quiz

Created by alexisl355 

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Scientific Theory

widely tested & accepted hypothesis

Scientific Law

what we find happening over & over again

Frontier Science

new science
-environmental science

Sound Science

consists of dates, theories, & laws that are widely accepted

Junk Science

presented as sound science w/out going through peer review

Positive Feedback Loop

causes a system to change further in the same direction
-erosion

Negative Feedback Loop

causes a system to change in the opposite direction
-seeking shade

Synergenic

combination of 2 things working together

Elements

distinctive building blocks of matter

Compounds

two or more different elements held together in fixed proportions by chemical bonds

Ion

Positive or negative changed group of atoms

Isotope

Different mass

pH

potential of hydrogen

Organic Compound Exception

Methane

Hydrocarbons

carbon & hydrogen
-methane

Chlorinated Hydrocarbons

carbon, hydrogen, chlorine
-DDT

Simple Carbohydrates

carbon, hydrogen, oxygen
-glucose

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