Solids, Liquids & Gases
Adding or removing heat
Phase Changes
Vocabulary
Random
100

Has a definite volume but not a definate shape

Liquid

100

When a liquid is cooled it becomes 

solid

100

Phase change of a solid turning into a liquid

 melting

100

Anything that has mass and takes up space

matter

100

The law that states that matter cannot be created or destroyed.

the law of conservation of matter

200

Has a definite shape and volume

Solid

200

If we add heat is added to a liquid it becomes

Gas

200

Phase change of a solid turning into a gas

sublimation

200

A group of atoms held together by chemical bonds

molecules

200

mass is

the amount of matter in an object.

300

In what state do molecules move extremely quickly and by bouncing off each other

Gas

300

If a gas is cooled it becomes into

Liquid.

300

Change from a liquid to a solid

freezing

300

A liquid's resistance to flow

vicosity

300

It is a measure of how much substance something contains

grams

400

Another name for the states of matter

Phases of matter

400

What must happen to matter in order to change states? 

It must gain or lose energy

400

Phase change of a gas turning into a liquid

condensation

400

A solid with particles arranged in a repeating 3-D pattern?

crystalline solid

400

What happens when an object's kinetic energy increases?

The particles move faster.

500

An unusual state of matter found in neon signs

Plasma.

500

How are the particle arrangements for a solid, liquid, and gas.

solid: pack together

Liquid: In constant motion, Able to flow and take the shape of their container.

gas: High kinetic energy, no fixed shape

500

When heat is added to a liquid and becomes a gas.

evaporation

500

A solid with particles placed randomly.

amorphous solid

500

The average kinetic energy of the individual particles in a substance.

temperature