Resume_Chapter 5

Front

Changes of state are __ changes.

Back

physical

Front

During __, the particles are gain heat and break away from their fixed position.

Back

melting

Front

During __, the particles lose heat and settle into fixed positions.

Back

freezing

Front

During a __, reaction, substances react with each other to form one or more new substances.

Back

chemical

Front

All matter is made up of __

Back

particles.

Front

We use the particle model to explain the __ of matter.

Back

properties

Front

A __ can be made of one or more substances.

Back

material

Front

Each substance is made of one type of __.

Back

matter

Front

Solids have fixed shape: particles only __ about their positions.

Back

vibrate

Front

__ have no fixed shape: particles move around each other.

Back

Liquids