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Into to Earth Unit 1
Topic 1
18
Science
8th Grade
09/08/2016

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Term
Universe
Definition
All matter,time,energy,and space;totality of all things that exist
Term
Observation
Definition
The percepitation of some aspects of the environment by one or more human senses;sight,hearing,touch,taste,or smell
Term
Instrument
Definition
A human-made device that extends the senses beyond their normal limits
Term
Inference
Definition
an interpretation of an observation; mental process that proposescauses,conclusions,or explanations for what has been deserved
Term
Classification
Definition
grouping together of similar observations and inferences to make the study of objects and events in the environments more meaningful or easier to understand
Term
Measurements
Definition
a means of expressing a observation with greater accuracy or precision; provides a numerical value for an aspect of the object or event being observed by comparision with a standard
Term
Mass
Definition
the amount of matter in an object
Term
Volume
Definition
the amount of space that an object occupies
Term
percent deviation
Definition
the numerical amount, expressed as a percent, by which a measurement differs from a given standard or accepted value
Term
density
Definition
the consentration of matter in a object
Term
Prediction
Definition
a type of inference about the conditions and behavior of the environment in the future
Term
Interface
Definition

the boundaries between regions with different properties 

Term
Natural Resourses
Definition
the materials and energy resourses found in the environment that humans use in their daily lives
Term
Natural Hazards
Definition
a non-human-related object,process,or situations that has the possibility of causing loss of life,personal injury, or loss of property
Term
Cyclic Change
Definition
an orderly change in the environment in which an event repeats itself with reference to time and space
Term
Dynamic Equilibrium
Definition
a condition of the balancing out of opposing forces or actions
Term
Pollution
Definition
the occurances in the environment of a substance or form of energy in concentrations large enough to have an adverse effect on people, their property, or plant or animal life
Term
Rate of Change
Definition
how much a measurable aspect of the environment, called a field, is altered over a given time-years, hours, or seconds
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