Science Chapter 5 Test
About this set
Created by:
ActingAllie on November 12, 2009
Subjects:
Description:
MPCS,6th grade, Ms.Reid, Physical Science
Classes:
MPCS 6th grade geography, Mount Paran 6th grade to study
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27 terms
Terms | Definitions |
|---|---|
 physical property | any characteristic of matter that can be observed without changing the identity of the material |
| density | the amount of mass in a given volume |
| d=m/v | formula for finding density |
| sink or float, finding the identity of unknown objects | 2 ways density is used |
| state of matter | tells you wether a sample of matter is solid, liquid, or gas |
| size-dependent property | physical property that changes when size is changed |
| volume,mass,length | 3 examples of size-dependant properties |
| density,color,shape | 3 examples of size-independant properties |
| 0-7 | pH scale for acids |
| 7-14 | pH scale for bases |
| 7.0 | exact pH for a neutral substance |
| citrus fruits,vinigar,chlorine | 3 examples of acids |
| soap,amonia,tea | 3 examples of bases |
| sour,sharp smell | 2 physical properties of acids |
| slippery,bitter | 2 physical properties of bases |
| chemical property | a characteristic of matter that allows it to change to a different type of matter |
| reactivity | how easily one thing reacts to something else |
| salts | a compound of metals and nonmetals that is formed when acids and bases react |
| physical change | any change in size, shape, state, or form where the identity of the matter stays the same |
| cuttind,burning | 2 examples of physical changes |
| chemical change | when one substance changes to another substance with different properties |
| chemical change oxygen | apples turn brown when you leave them out because of a ________ ________ with _____________. |
| chemical change | there is a release or absorbtion of energy are signs that a ___________ ______________ has taken place. |
| physical weathering | changing on the earths surface that happens over a long period of time |
| chemical weathering | unnatural weathering on the earths surface |
| acid rain | example of chemical weathering |
| cave formations | chemical weathering makes ____________ ____________________. |
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