Physical Changes Flashcard

Front

A physical change involves a change in

Back

Size, form, shape, state

Front

When particles move slower, they are drawn closer together by attractive forces between them.

Back

True

Front

In a physical change both identity and properties stay the same.

Back

False

Front

In a physical change, the matter’s identity:

Back

stays the same

Front

In a physical change, the matter’s properties:

Back

sometimes change

Front

A change in state never involves a change in the energy of particles.

Back

False

Front

The energy of particles changes when _______ is added or removed.

Back

thermal energy

Front

When thermal energy is added to particles:

Back

Move faster, Temperature increases

Front

When particles move faster, they overcome the attractive forces that hold them together.

Back

True

Front

Adding enough energy for a solid to change to a liquid:

Back

melting point