Unit 3 States of Matter and Phase Changes

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• particles have less enthalpy

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NGSS.MS-PS1-4

Abigail, Avery, and Henry are packing for a picnic. They have a liquid drink, gas in a balloon, a solid apple, and a

plasma

ball. Which item will not take the shape of its container?

• liquid

• gas

• solid

• plasma

How is a gas defined?

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• charged particles that have indefinite shape and indefinite volume

• Definite volume, indefinite shape

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NGSS.MS-PS1-4

What state of matter?

• Solid

• Liquid

• Gas

• Plasma!!!

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the phase change of a solid to a liquid?

• freezing

• melting

• evaporation

• condensation

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NGSS.MS-PS1-4

Change from liquid to gas is called....

• ionization

• evaporation

• condensation

• deposition

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Solid particles are...

• tightly packed.
• loosely bonded and flowing.
• free to fly in all directions.
• so hot that the electrons are removed from the nucleus.

When a gas changes directly to a solid, the process is known as what?

• Solidification
• Condensation
• Deposition
• Evaporation

Which of these is an example of sublimation?

• water turning to ice
• ice cream dripping
• a puddle drying up
• dry ice being used to make fog

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NGSS.MS-PS1-4

TRUE OR FALSE:
Solids and liquids are incompressible because they have a lot of empty space between their particles. 

• True
• False