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100

What is sublimation?

Sublimation is when a solid skips the liquid state and goes straight to a gaseous state. 

100

What is a liquid?

A liquid is a state of matter that has a definite volume but no definite shape. 

100

What is the definition of deposition?

Deposition is when a gas turns into a solid without becoming a liquid first.  

100

What is energy?

Energy is the ability to do work energy in the form of heat is needed to change from one phase to another. 

100

What is viscosity?

The thickness of a fluid or the resistance of a fluid to flow a viscosity fluid will not flow as easily as a low-viscosity fluid(mud will not move as easily as water).

200

What is a boiling point?

A boiling point is the temperature at which a substance starts to boil.

200

What is a solid?

 A solid is a state of matter that has a definite shape and a definite volume. 

200

what is the definition of evaporation?

When a substance changes from a liquid to a gas. 

200

What does state mean?

 The state is a physical condition or stage of matter another word for a state is "phase".

200

What is pressure? 

pressure is the measure of force that acts on a unit area.

300

What is a melting point?

A melting point is the temperature at which a substance starts to melt.

300

what is a gas? 

A gas is a state of matter that has no definite shape of volume. 

300

What is a condensation point?

The temperature at which a gas becomes a liquid this happens when energy is removed. 

300

What is crystal?

A solid that forms when a collection of atoms is repeated in the same arrangement over and over again throughout a substance. 

300

What is mass?

Mass is the measure of how much matter is in an object.

400

What is a freezing point?

A freezing point is when a substance starts to freeze.

400

What is the definition of expand?

Expand means that the space between molecules increases.

400

What is vapor?

Another word for gas vapor is the word used to describe gases that are usually found as liquids such as water. 

400

What is amorphous? 

A type of solid that forms without a fixed pattern. 

400

What is an atom?

An atom is the smallest unit of a pure substance that still has the properties of that substance.
500

What is condensation? 

Condensation is when a gas turns into a liquid. 

500

What is the definition of compress?

Compress means that the space between molecules decreases. 

500

What is plasma?

Plasma is electrically charged gas particles. 

500

What does phase mean?

A physical condition or stage of matter another word for phase is "state".

500

What is an element?

An element is a pure substance that is made up of only one kind of atom. 

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