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Fruitvale Terminology
Fruitvale Vocabulary
35
Science
8th Grade
05/17/2012

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Term
Aquitard
Definition
Earth materials such as gravel or sand that contain groundwater and allow groundwater to flow
Term
Aquitard
Definition
Earth materials such as clay that impede or completely block the flow of water
Term
Pores
Definition
Holes or spaces
Term
Porosity
Definition
Refers to the amount of open space in a material
Term
Permeability
Definition
refers to how well the pores are connected
Term
Impermeable
Definition
A substance that will not allow liquid to flow through
Term
Observation
Definition
Scrutinizing using your 5 senses
Term
Infer
Definition
To conclude by reasoning
Term
Inference
Definition
A conclusion based on an observation
Term
Hypothesis
Definition
A solution to a question
Term
Precipitation
Definition
Rain, snow, sleet or hail
Term
Transpiration
Definition
Loss of water through leaves
Term
Groundwater
Definition
Water found underneath the Earth's surface
Term
Dilution
Definition
More of the solvent and less of the solute
Term
Concentration
Definition
More of the solute and less of the solvent
Term
Contamination
Definition
Means to make impure; pollute
Term
Indicator
Definition
Provides information about a solution
Term
ppm
Definition
Parts per million
Term
ppb
Definition
Parts per billion
Term
Hazardous Waste
Definition
Dangerous unwanted materials
Term
Pollutant
Definition
A substance that contaminates
Term
Microbes
Definition
Microoraganisms, especially bacteria that cause disease
Term
Parasite
Definition
An organism that lives with, in, or on another organism called a host; parasite will benefit and the host is harmed
Term
Pesticides
Definition
A chemical used in destroying insects and weeds
Term
Pathogens
Definition
An agent such as bacteria, viruses, or fungi that is disease-causing
Term
Toxicology
Definition
Study of poisons
Term
Plume
Definition
The distribution or area of contaminated groundwater, smoke, etc.
Term
Point Source
Definition
Pollution that has at its source a single or small point- usually spills or leaks.
Term
Area Source
Definition
Pollution over a wide area- plume would show fairly constant pollutant concentration over the area- a large field
Term
Excavation
Definition
To dig up Earth's soil
Term
Incineration
Definition
To burn
Term
Leachate
Definition
The solution produced by passing a liquid through a solid; rainwater passes through landfills and associated sediments
Term
Landfill
Definition
A closed dump- layered with soil
Term
Controversial
Definition
Refers to an issue or item characterized by a great degree of feeling and often high emotions- with 2 or more conflicting viewpoints 
Term
Consensus
Definition
General agreement of opinion- not the same as simple majority- a consensus implies unanimity
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