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Science Vocab Chp 7
Science vocab
14
Science
7th Grade
01/08/2012

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Term
Solution:
Definition

A well-Mixed mixture that contains a solvent and at least on solute

Term
Solvent: 
Definition

Part of solution present in largest amount and is dissolved by solvent


Term

     Solute:


Definition
Present in smaller amount and is dissolved by solvent
Term

 Dilute Solution

Definition

Has little dissolved solute in a certain amount of solvent

Term

    Concentrated: 

Definition

Solution has a lot of solute dissolved in a certain amount of solvent

Term

   Solubility:  

Definition

A measure of how much solute can dissolve in a solvent at a given temperature


Term

      Saturated solution:

Definition

Added so much solute that no more is able to dissolve 

Term
Acids
Definition

Compounds whose properties include the relations they undergo

Term

1.      Corrosive: 

Definition

React with certain metals to produce hydrogen gas

Term

   Indicators:

Definition

Substances that changes color when contacting an acid or base

Term

1.      Base: 

Definition

Acids turn blue litmus paper red

Term

1.      pH scale:

Definition

Range of values from 0 to 14 that expresses the concentration of hydrogen ions in a solution

Term

1.      Neutralization: 

Definition

Reaction between an acid and a base


Term

1.      Digestion:

Definition
Breaks down the complex molecules of food into smaller molecules
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