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30 Word Quiz
Flash Cards for the 30 word of the day quiz 12-20
30
Science
8th Grade
12/14/2007

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Cards

Term
temperature
Definition

A property of matter which tells the quantity of

energy of motion of the particles in that matter.

Term
growth
Definition
increase in size and change in shape caused by the activities of cells 
Term
climate
Definition
The usual pattern of weather in a particular place
Term
gravity
Definition
The attraction between two masses
Term
mechanical advantage
Definition
The advantage created by a machine that enables people to do work while using less force
Term
metamorphic
Definition
rocks changed by temperature and pressure within the crust of the Earth
Term
precipitation
Definition
Water from the atmosphere that falls to the ground as a liquid (rain) or a solid 
Term
eclipse
Definition
The blocking of light from the sun 
Term
meteor
Definition
When a piece of material from space (a meteoroid) burns up in the earth's atmosphere
Term
carrying capacity
Definition
The number of organisms an ecosystem can support without change to the organisms or to the ecosystem
Term
belief
Definition
An idea based on faith, reason, or trust.
Term
magnification
Definition
The degree to which the viewed object is enlarged
Term
focus
Definition
The act of adjusting a lens to make the image appear sharp and well defined
Term
dominant
Definition
A characteristic determined by an allele that is expressed over any other alleles for a given trait
Term
chromosome
Definition
A threadlike package of wound up DNA in the nucleus of a cell that carries the genes
Term
consumer
Definition
Any organism that cannot produce its own food and must, therefore, get its energy by eating, or consuming, other organisms
Term
friction
Definition
The resistance to motion between two surfaces in contact
Term
pressure
Definition

The force exerted on a surface divided by the area of the surface

Term
permeability
Definition
The rate at which liquids pass through soil or other materials in a specified direction
Term
synthetic
Definition
A compound that is produced by chemical synthesis, rather than of natural origin
Term

hypothesis

Definition
A possible explanation for a set of observations 
Term
asexual reproduction
Definition
Reproduction in which offspring arise from a single parent and inherit the genes of that parent only
Term
cell cycle
Definition
The series of steps that a cell must go through to divide
Term
cycle
Definition
A series of events or steps which ultimately lead back to the starting point
Term
recessive
Definition
A trait that is expressed only when two copies of the allele responsible for the trait are present.
Term
conclusion
Definition
A judgment statement based on the results of an experiment 
Term
aquatic
Definition
Living or growing in or on the water.
Term
loam
Definition
A soil containing a mixture of clay, silt and sand that is best for the growth of most plants.
Term

experiment

Definition
A test of a hypothesis done under controlled conditions.
Term
control
Definition
The part of the experiment that does not contain the variable.
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