Solids, Liquids & Gases
Adding or removing heat
Phase Changes
Vocabulary
Random
100
Has a definite volume but not a definate shape
What is a liquid?
100

When a liquid is cooled it becomes what?

What is a solid?

100
Phase change of a solid turning into a liquid
What is melting?
100
Anything that has mass and takes up space
What is matter?
100

What is the law of conservation of matter?

The law that states that matter cannot be created or destroyed

200
Has a definite shape and volume
What is a solid?
200
When heat is added to a liquid it becomes what?
What is a gas?
200
Phase change of a solid turning into a gas
What is sublimation?
200

smallest unit of an element (matter) Give me an A!

atom

200

Example that goes from a solid to a gas without becoming a liquid

Dry ice

300
In what state do molecules move extremely quickly and by bouncing off each other
What is a gas?
300
When a gas is cooled it becomes a what?
What is a liquid?
300
Change from a liquid to a solid
What is freezing?
300

Mass 

amount of stuff (atoms or molecules) in something. 

300

Scientific name for movement, not potential but _____

Kinetic

400
Another name for the states of matter
What are phases of matter?
400
What must happen for matter to change states?
What is it must gain or lose energy?
400
Phase change of a gas turning into a liquid
What is condensation?
400

Vaporization  - give one of the forms

evaporation or boiling

400

density is? 

mass/volume

500
An unusual state of matter found in neon signs
What is plasma?
500

What is the particle arrangements for a solid, liquid, and gas.

Solid= close together moving the least

Liquid = not as tightly together, moving more than a solid 

Gas = not closely together, moving very rapidly

500
When heat is added to a liquid and becomes a gas.
What is evaporation?
500

water droplets outside of a glass with ice in it

condensation

500

The average kinetic (movement) energy of individual particles (atoms, molecules) in a substance.

What is temperature?

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