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What is matter?

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by

Tiffany LeNeave

on 11 November 2016

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Transcript of What is matter?

What is matter?
Matter
is anything that has mass and takes up space. All things, living and dead, are made of matter.
Three States of Matter
How do we go from on state of matter to the next?
What are some examples?
Solid
Liquid
Gass

Solid
Atoms are packed tightly together
atoms move very slowly ( vibrate back and forth)
maintains its shape
maintains its volume
Liquid
take the shape of their container
They have a movable surface, but their volume is fixed.
The particles in a liquid are spread out a little and are able to slide past each other
Gas
take the shape of their surface.
The size, shape, and volume of gases changes depending upon the size of the container.
The particles in a gas are very spread out and move very quickly in all directions.
4th state called ..... PLASMA
How do we describe matter?
Property- something that describes matter
Physical Property- characteristics that can be seen or measured without changing the material. Use your 5 senses.
What are some physical properties of science?
Temperature
Solid to liquid- you need heat to excite the molecules and make them move
liquid to gas- you need heat
Mixtures
formed when two or more DIFFERENT substances are blended together physically.

Materials mixed to not loose their identifying characteristics
Examples
Trail mix

a hand full of different coins

fruit salad
solutions
formed when one substance is dissolved in another.
substance mixed evenly
same through out



Example:
Sugar water- sugar is disolved in the water, sugar is invisible... but it is still there
Gas
Solid
liquid
takes the shape of container
takes the shape of container
has a fixed shape
takes volume of container
no definite volume
has a definite volume
has a definite Volume
Compressible (lots of free space between particles
Not as easily compressible ( little free space between particles
Not as easily compressible (very little free space between particles)
Flows easily ( particles move past one another easily)
Flows easily (particles move past one another easily
Does not flow easily (rigid-particles cannot move/slide past one another
Temperature decreases:
matter changes from a gas to a liquid to a solid
At what temperature would water change from a liquid to a solid for water?
At what temperature would a solid become a liquid for water?
When you apply heat to a solid you make the particles in it move around more. They then shove each other for more space. This movement causes the change in phase turning a solid to a liquid. This is called
MELTING
When you excite the particles of a liquid( by adding heat) the particles push at each other giving it more space changing the phase of matter to a gas
Boiling- is when you heat the liquid so that evaporation can happen ( entire container of liquid is heated)
Evaporation- liquid becomes a gas. This happens only at the surface of a liquid.
Important temperatures
Fahrenheit
Celsius
In order for a gas to become a liquid the tempeture must drop and the water vaper must CONDENCE. The particles of the gas loose energy and become closer together. changing the phase from a gas to a liquid.
In order for a liquid to become a solid you must decrease temperatures and slow down the movement of particles . This is called FREEZING
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