Matter
description
Transcript of Matter
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MatterAnything that has mass and
takes up space (volume)
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Properties of MatterPhysical Property
• Any property of matter that can be observed or measured without changing the identity of the matter
• Examplescolor shapetaste
densitystate/phase
D = M V
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5 Physical States of Matter
•Bose-Einstein
•Solid •Liquid•Gas
•Plasma
(Newest State)
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Bose-Einstein Condensate• Exist at extremely
cold temperatures (around or just above absolute zero (500 C or -460 oF)
• Particles are super unexcited
• Particles lock or “clump” together so firmly that they move as a single unit
• Definite shape and volume (?)
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Solid• Particles are
tightly compact• Particles vibrate
without the ability to move freely
• Definite shape and volume
• Solid Animation
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Liquid• Particles are
tightly compact, but able to move around close to each other
• No definite shape, but definite volume
• Liquid Animation
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Gas• Particles can
easily spread out or move close together
• Particle move freely and with a lot of energy
• No definite shape or volume
• Gas Simulation
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Plasma• Exist at extremely high
temperatures (several million degrees Celsius)
• Particles are broken apart• Particles move freely and
with extremely high energy
• This form is not too common on earth, however it is the most common form of matter in the universe
• No definite shape or volume?
• Examples: Florescent and neon lights, lightning, aurora borealis
Why do you think this is the most common
form/state of matter in the universe?
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Energy and the States of Matter• The physical states of matter result
from the amount of energy the particles composing the matter have. Basically, more energy means more movement for the particles and less energy means less movement.
• Energy/Temperature and Matter
If you were to compare an ice cube and the steam created from boiling water, which would you think has more energy?
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States of Matter Continuum
Taken from: http://www.chem4kids.com/files/matter_becondensate.html
What about this continuum could be considered a little misleading?
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Properties of MatterChemical Property
• Any property of matter that describes a substance based on its ability to change into a new substance
• Examplesflammability
reactivity with vinegarreactivity with oxygenIron + Oxygen Iron oxide (rust)
2Fe + 3O2 Fe2O3
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Chemical or Physical Property?
1. Paper is white
2. Boiling point of H2O is 100oC
3. Zinc reacts with hydrochloric acid and creates hydrogen gas
4. Nitrogen does not burn
5. Sulfur smells like rotten eggs
Physical Property
Physical Property
Physical Property
Chemical Property
Chemical Property
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Comparing Physical and Chemical Properties
Substance/Matter Physical Property Chemical Property
Helium Less dense than air Nonflammable
Wood Grainy texture Flammable
Baking soda White powder Reacts with vinegar to produce bubbles
Powdered sugar White powder Does not react with vinegar
Rubbing alcohol Clear liquid Flammable
Red food coloring Red color Reacts with bleach and loses color
Iron Malleable Reacts with oxygen
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Changes in MatterPhysical Change
• a change in shape, size, color, or state• a change without a change in chemical
composition• a change that is reversible
– The Mixtures Lab• Examples
tearing paper cutting your hair change in state
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Changes in States(Physical Changes)
Melting
Vaporization
(Evaporation/Boiling)
Freezing
Condensation
All changes in state require a change in energy
Sublimation
Bose-Einstein
Solid
Liquid
Gas
PlasmaDisposition
Why do you think Bose-Einstein and plasma are not equally distanced
from the other three states of matter?
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States of Matter Simulation
Simulation 1
Simulation 2
This is what happens when energy is added and taken away
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Changes in MatterChemical Change
• a change in which a substance becomes another substance having different properties
• a change that is not reversible using ordinary physical means
• Changes that usually cause heat, sound, light, odor, fizzing/foaming, color changes
You usually need more than one of the above characteristics to be considered a chemical
change!
• Examplescombining sulfuric acid and sugar
burning a piece of woodsoured milk
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Chemical or Physical Change?
1. Bending a Paper Clip
2. Baking a cake
3. The sublimation of carbon dioxide
4. Crushing an aluminum can
5. Vinegar and baking soda combining to create salt and water
Physical Change
Chemical Change
Chemical Change
Physical Change
Physical Change