Essential EOG Review Vocabulary

50 terms by Ms_Bickett

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These are the top 50 words to review for the EOG test next week!

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

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