The Particle Theory
States of Matter
Changes of State
Mixtures, Substances & Solutions
Important Terms
100
All matter is made up of this
What is particles
100
My particles have a very weak force of attraction and have very large spaces between them
What is a gas
100
When you add heat to a solid and it becomes a liquid
What is melting
100
I am a form of matter whose particles are all identical
What is a pure substance
100
We are very small portions or parts of matter
What is particles
200
This affects the speed at which particles move
What is temperature (hot or cold)
200
I take the shape of my container and have a definite volume, but there are spaces between my particles
What is a liquid
200
When you add heat to a liquid and it becomes a gas
What is evaporation
200
I am a substance made from 2 or more substances mixed together
What is a mixture
200
The energy of movement
What is kinetic energy
300
All particles of one substance are this
What is identical, or the same
300
I have a definite shape and volume and my particles are very close together
What is a solid
300
When you add cold to a liquid and it becomes a solid
What is freezing or solidification
300
I am a type of mixture where you can see the different things I am made of (think of trail mix)
What is a mechanical mixture
300
The energy that transfers from a substance at a higher temperature to one at a lower temperature
What is heat
400
The particles of matter are always doing this
What is moving or in constant motion
400
Look at the picture and identify my state of matter
What is a liquid
400
When you add cooling to a gas and it becomes a liquid
What is condensation
400
I am a type of mixture where you cannot see the different things I am made of (think of juice)
What is a solution
400
The measure of the average kinetic energy of the particles in a substance
What is temperature
500
Particles have this type of force between them
What is force of attraction
500
Look at my picture and identify which state of matter I am.
What is a solid
500
When you add heat to a solid and it becomes a gas
What is sublimation
500

Give 2 examples of a mixture and 2 examples of a pure substance

Answers vary.

500
A change from one physical state of matter to another
What is change of state
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