Models for Matter

Front

One reason models for matter are useful is...

Back

One reason models for matter are useful is that they allow scientists to make predictions.

Front

Models make it easier for us to...

Back

Models make it easier for us to understand and observe the behavior of matter.

Front

What does visualise mean?

Back

To visualise is to form a mental image of something.

Front

Describe the density of Gas

Back

Lower than a solid or liquid.

Front

Describe particle movement in a gas

Back

The particles in a gas fly in all directions at great speeds and are so far apart that the attractive forces between them are insignificant

Front

Changes of state are physical changes.

Are physical changes reversible or irreversible?

Back

Reversible

Front

What is the name of the process of changing from solid to gas.

Back

Sublimation

Front

What is the name of the process of changing from liquid to solid?

Back

Freezing

Front

Which state of matter has a definite volume but no definite shape.

Back

Liquid

Front

The process of a solid turning into a liquid.

Back

Melting