CHAPTER 2 VOCABULARY PRESENTATION 8 th Grade
Feb 22, 2016
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chapter 2 vocabulary presentation8th GradeBoiling point is the temperature in which the substance boils.
The boiling point of water is usually 100 Celsius.
Condensation Point is the temperature in which a gas becomes a liquid.
Dew condenses from water vapor in the air.A pure substance is matter that always has exactly the same composition; an element or compound.
A compound is a substance that is made from two or more simpler substances and can be broken down into those simpler substances.
Quartz Silicon dioxide is a compoundFiltration is the process that separates materials based on the size of their particles.
A solution is a mixture that forms when substances dissolve and form a homogenous mixture.
When sugar is poured in a glass of hot water, and stirred up, the sugar eventually dissolves into the water. 7Filtration is the process that separates materials based on the size of their particles.
A physical property is any characteristic of a material that can be observed or measured without changing the composition of the substances in the material.
IceWaterMelting PointPhysical change is a change that occurs when some properties of a material change, but the substances in the material stay the same.icewaterwater vaporH20
Malleability is the ability of a solid to be hammered without shattering.
A chemical property is any property that produces a change in the composition of matter.
Flammability is a materials ability to burn in the presence of oxygen.
A precipitate is a solid that forms and separates from a liquid mixture.
Deposition is the phase change in which a gas or vapor changes directly into a solid without first changing into a liquid.
When water vapor hits a colder surface, like glass it will turn into frost.Sublimation is the phase in which a solid changes directly into a gas without becoming a liquid.