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chemistery
unit rewiew test
36
Science
6th Grade
03/22/2012

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Cards

Term
condensation
Definition
gas to liquid
Term
density
Definition
The amount of mass in agiven volume of matter.
Term
evaporation
Definition
liquid to gas
Term
heat
Definition
energy that flows from warmer to cooler regions of matter
Term
mass
Definition
the amount of matter in an object
Term
matter
Definition
has mass and volume
Term
temperature
Definition
a measure of the average kinetic energy of the particles in matter
Term
volume
Definition
the amount of space that matter takes up
Term
atom
Definition
the smallest particle of an element
Term
chemical formula
Definition

a group of symbols and #'es that show the element that make up a compound

 

H20

Term
chemical properties
Definition
characterists of matter that describe how matter changes when it reacts with other matter [burning]
Term
element
Definition
A substance that can't be broken down by simple means
Term
molecule
Definition
A particle made up of a group of atoms that are chemically bonded
Term
substance
Definition
Mattwe that always has the same make up and properties, wherever it may be found
Term
physical properties
Definition
characterists of matter that can be meaured or detected by the senses [color, size, odor,etc]
Term
solvent
Definition
the material present in the greater amount
Term
chemical change
Definition
a change in matter that results in one or more new substances with new properties
Term
electron
Definition
negative charge, orbits the nucleus
Term
nuetron
Definition
no charge
Term
nucleus
Definition
the control cener of a cell, has protrons and neutrons with electrons orbiting it
Term
proton
Definition
positive charge
Term
radioactive element
Definition
an element atoms whose nuclei is decay
Term
atomic #
Definition
the # of prontons in the nucleus
Term
orbit
Definition
circle around
Term
solution
Definition
different particles that are spread evenly throughout the mixture
Term
solute
Definition
material present in the smaller amount
Term
mixture
Definition
combination of 2 or more substances
Term
compound
Definition
a substance made up of 2 or more elements that are chemically combined 
Term
physical change
Definition
a change in size, shaoe, or state of matter, with no kind of matter being formed
Term
solid
Definition
particles stay in place, vibrate, hold shape
Term
liquid
Definition
particle move faster apart, slip and slide, no shape
Term
gas
Definition
moves so fast, can't be held together, no definte shape or volume
Term
how to found volume
Definition
v=lxwxh, find the meniscus
Term
the 4 key parts of each box of the Periodic Table?
Definition
atomic #, atomic mass #, chemical name and symbol
Term
3 facts about Marie Curie
Definition

Founded to new elements [Radium and Polonium]

 

First female professor at Sorbonne University in Paris

 

The word radioactivity was founded by her

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