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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
The law that states that matter cannot be created or destroyed.
What is the law of conservation of matter?
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

When heat is added to a solid and a liquid is formed.

What is melting?

200
A group of atoms held together by chemical bonds
What are molecules?
200

As a solid turns to a liquid it's what happens to the thermal (heat) energy.

What is increases?

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

A change where you end up with the same kind of matter.

What is a physical change?

300
What are all molecules always in a constant state of?
What is motion?
400
Another name for the states of matter
What are phases of matter?
400

Adding heat to a solid does what?

What is it melts into a liquid?

400
Phase change of a gas turning into a liquid
What is condensation?
400

A change where you end up with a new kind of matter (may form a gas, change color, etc).

What is a chemical change?

400

What happens when an object's temperature (kinetic energy) increases?

What is the particles move faster?

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

What must happen for matter to change states?

What is heat/energy must be added or taken away.

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

When one substance completely mixes with another

What is a solution?

500

Name a non-Newtonian fluid that acts like a solid when pressure is applied. 

What is Oobleck?