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The flashcards below were created by user
HLHSscience
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What is the change of state called when a gas turns into a liquid?
Condensing
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What is the change of state called when a liquid turns into a gas?
Evaporating
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What is diffusion?
- The movement of particles from a high concentration to a low concentration
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Describe what a Melting Point is.
The temperature a solid turns into a liquid
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Describe what a Boiling Point of a substance is.
The temperature a liquid turns into a gas
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What is the change of state called when a liquid turns into soild?
Freezing or solidifying
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What is the change of state called when a solid turns into a liquid?
Melting
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Describe how the particles are arranged in a solid.
- The particles in a solid:
- are close together
- are arranged in a regular pattern
- are held together by strong forces called bonds
- vibrate in a fixed position
- cannot move from place to place
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Describe how the particles are arranged in a liquid.
- The particles in a liquid are:
- close together
- arranged in a random way
- they can move around each other
- the bonds in a liquid are strong enough to keep the particles close together, but weak enough to let them move around each other..
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How are the particles arranged in a gas?
- The particles in a gas are:
- far apart
- arranged in a random way
- can move quickly in all directions
- no bonds between the particles in a gas, so they are free to move in any direction.
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What causes pressure?
- The movement of particles hitting the side of the container.
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Describe how particles are arranged in a liquid.
Particles can move and they take the shape of the container they are in, there is some attraction between particles.
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What state is this?
Solid
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What state is this?
Liquid
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What state is this?
Gas
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