Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
characterisitc thatn can be observed without changing the composition of a substance.
|
physical property
|
|
includes things that can be observed with the senses
|
appearance
|
|
substances can be in a liguid, solid, or gas ____
|
state
|
|
volume, mass, and density are ___ than can describe physical properties
|
measurements
|
|
___ point and ___ point are physical properties of a substance
|
melting and boiling
|
|
____ descirbe the way some substances behave
|
magnetism
|
|
____ prperty characterisitc than cannot be observed without altering the substance
|
chemical
|
|
Chemical properties have
ability to ____ tendency to ____ _____ to other substances such as acids |
burn
rust reaction |
|
____ change - form or appearance of matter changes, but composition state the same
|
physical
|
|
___ can change, but substance does not
|
shape
|
|
____ a solid into a liquid is a physical change
|
energy
|
|
changing _____ through vaporization, condensation, sublimation or deposition doe snot change the composition of matter
|
states
|
|
vaporization is
|
liquid to gas
|
|
condensation
|
gas to liquid
|
|
sublimation
|
solid to gas
|
|
____ change results ina change in the substances composition
|
chemical
|
|
___ can change a s a chemical reaction occurs
|
color
|
|
___ may be gained or released during a chemical change
|
energy
|
|
substances may change ____ as a result of a chemical change
|
odor
|
|
formation of a ____ or the precipitation of a ____ cna indicate a chemical change
|
gas
solid |
|
chemical changes are not easily
|
reversed
|
|
chemical changes alter the ____ of substances; _____ changes do not alter the composition of substances
|
composition
physical |
|
Water ____ or _____ - amount of matter stays the same; physical change
|
freezes
evaporates |
|
wood burns - ____, ____, and ___ still total the same amount of matter; chemical change
|
ashes, smoke, gases
|
|
Law of ______ - particls of matter are not creatd or destroyed as the result of physical or chemicla changes
|
Conservation
|
|
T or F
When a substance undergoes a physical change its compostion remains the same |
true
|
|
T or F
a substanc eproduced during a chemical change cannot easily be changed back into the original substance |
true
|
|
T or F
both chemical and physical changes may result in a change in appearance |
true
|
|
T or F
the total mass of matter is either reduced or increased after a physical change |
false
|
|
T or F
whenever you cut, tear, grind, or bend matte, you are causing a chemical change |
false
|
|
physical changes affect these states: ___ ___ ___
|
gas, liquid, solid
|
|
chemical changes the _____ of a substance - sign of which can be a change in ___ and ____
|
composition
color odor |
|
depostion
|
is
|