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50 terms

Essential EOG Review Vocabulary

These are the top 50 words to review for the EOG test next week!
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satellite
a natural or artificial object in space that circles around another object. Can be used to find weather, land conditions, water conditions, water depth.
sonar
A device that determines the distance of an object under water by recording echoes of sound waves
buoyancy
The ability of a fluid to put an upward force on an object placed in it
hydrosphere
the portion of earth that is water
malleable
able to be shaped or bent
individual susceptibility
The likelihood that each individual may have different reactions to medicines or chances of getting a certain disease.
chemical change
change that produces new substances or changes the identity of a given substance
density
the amount of matter in a given space
group
Vertical column of elements in the periodic table that have similar properties
period
horizontal row of elements in the periodic table
cytoplasm
a jellylike fluid inside the cell in which the organelles are held
mitochondria
powerhouse of the cell that turns food into energy
nucleus
a part of the cell containing DNA and RNA and responsible for growth and reproduction
virus
a tiny, nonliving particle that invades and then reproduces inside a living cell
vaccine
substance prepared from killed or weakened pathogens and introduced into a body to help the body learn to fight disease.
economic trade-off
The loss of one thing for the gain of another. Involves a gain or loss of money.
surface tension
The 'skin' on the surface of water formed as a result of polarity in water molecules.
polar
a molecule (like water) that has charged ends
non-point source pollution
water pollution that does not have a specific source
point-source pollution
pollution that enters water from a known source, like a factory
conductivity
a material's ability to allow heat and electricity to flow through
specific heat
amount of heat required to increase the temperature of a substance
protist
single-celled eukaryotic organism that is either plant-like, animal-like, or fungus-like
upwelling
Movement of cold, nutrient-rich bottom water to the ocean's surface. Usually occurs along coastal areas.
conservation of mass
the principle stating that matter is not created or destroyed during a chemical reaction
pesticide
a chemical used to kill pests (as rodents or insects)
physical change
a change in a substance that does not involve a change in the identity of the substance
ground truthing
The process of sending scientists into places seen on satellite images to check the information about the area.
mutagen
Any agent that can cause a change in DNA
biotechnology
A form of technology that uses living organisms to modify products for specific purposes.
genetic engineering
process of making changes in the DNA code of living organisms
atom
basic unit of matter, made up of protons, neutrons, and electrons
food web
The pattern of overlapping food chains in an ecosystem
estuary
A habitat in which the fresh water of a river meets the salt water of the ocean.
geologic time scale
a record of the geologic events and life forms in Earth's history
index fossil
a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
relative dating
method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock
absolute dating
A technique used to determine the actual age of a fossil
unconformity
where there is gap in the rock layers
antibiotic
compound that blocks the growth and reproduction of bacteria
potency
measurement of strength of drug
exposure
risk, particularly of being exposed to disease or toxin
phytoplankton
Microscopic, free-floating, organisms in the ocean that create food from sunlight
solubility
the ability of one substance to dissolve in another
adhesion
the property of molecules of different substances sticking together
cohesion
tendency of molecules of the same kind to stick to one another
prokaryote
A unicellular organism that lacks a nucleus and membrane bound organelles
eukaryote
A cell that contains a nucleus and membrane bound organelles
evolution
the gradual change in a species over time, often due to natural selection
natural selection
process where individuals that are better adapted to their environment survive and reproduce most successfully; also called survival of the fittest