Particle Model of Matter

What are the 3 states of matter?
Solid Liquid Gas
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Why are solids and liquids incompressible?
There are no gaps between the particles in them
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Describe the particles in a solid ....
Solid contains particles in a fixed pattern and have fixed size and shape
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Describe the particles in a liquid ....
Liquids have fixed size but contain particles which are free to move, allowing them to change shape to fit their container
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Describe the particles in a gas ....
Gases have large gaps between the particles, making them compressible and enabling them to change shape and size
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What is the equation for density?
Density= mass/volume
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When investigating the density of a regular and irregular solids and liquids what are the variables?
The independent variable is the material being tested. The dependant variable are the volume and mass. The control variable is the temperature .
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When investigating the density of a regular and irregular solids and liquids what are the mistakes and errors?
If the solid is less dense than water is tested, the volume measurement will be incorrect because the solid will not be fully submerged.When reading from the measuring cylinder, the reading should be taken from the bottom of the meniscus.
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What happens when energy is added to a system?
Temperature will increase.At the melting or boiling point,the energy being added causes the substance to change state not temperature.
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Other cards in this set

Card 2

Front

Why are solids and liquids incompressible?

Back

There are no gaps between the particles in them

Card 3

Front

Describe the particles in a solid ....

Back

Preview of the front of card 3

Card 4

Front

Describe the particles in a liquid ....

Back

Preview of the front of card 4

Card 5

Front

Describe the particles in a gas ....

Back

Preview of the front of card 5
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