matter: it’s what the world is made of. what is matter? matter is anything that has mass and takes...
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Matter:
It’s what the world is made of.
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What is matter? Matter is anything that has mass
and takes up space.
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What do you know about matter?
Solids Liquid
s
GasesPlasma
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Solids Solids have definite
shape and definite volume.
Solids have mass. Solids take up space.
Read more!
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Particles in Solids: Are packed tightly
together
Have very little energy
Vibrate in place
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Liquids
Liquids take the shape of their container and have definite volume.
Liquids have mass. Liquids take up space.
Read more!
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Particles in Liquids: Are loosely
packed
Have medium energy levels
Particles flow around each other
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Gases
Gases spread out to fill the entire space given and do not have definite volume.
Gases have mass. Gases take up
space.
Read more!
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Particles in Gases: Move freely
Have LOTS of energy
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Plasma
Lightning is a plasma. Used in fluorescent light
bulbs and Neon lights. Plasma is a lot like a
gas, but the particles are electrically charged.
Read more!
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Particles in Plasma: Are electrically
charged
Have EXTREMELY high energy levels
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STATES of matter?
What would it take for matter to move from one state to another?
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Energy determines the state!
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Add or Subtract Energy. . .
When energy is added, particles move faster!
When energy is taken away, particles move slower!
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What will happen? Why?
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Solid + Energy = ?
When energy is added to solids, they become liquids!
Examples?
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Liquid + Energy = ? When energy is
added to liquids, they become gases!
What examples can you think of?
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Changing States There are several names for matter changing states:
State change
Phase change
Physical change
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So, did we get something new?
Ice cream and melted ice cream? Chocolate and melted chocolate? Ice, water, and water vapor? Steel and molten steel?
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Review Questions
1. What state of matter has definite volume and definite shape?
2. Describe the properties of liquids.3. Describe the differences between
gases and plasma.4. What is needed for states of
matter to change phase?