States of Matter

Front

What is density?

Back

The concentration of matter in an object.

Front

Helium is an example of what state of matter?

Back

Gas.

Front

Freezing changes a ________ to a _____________.

Back

Liquid to a solid.

Front

What is weight?

Back

The force of gravity on an object.

Front

Melting changes a ____________ to a _____________.

Back

Solid to a liquid.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

What happens to the particles in a solid?

Back

They are closely packed together and vibrate in place.

Front

What happens to the particles in a liquid?

Back

They are close together but can move past each other.

Front

What happens to the particles in a gas?

Back

They are far apart and move freely.

Front

What is evaporation?

Back

The process of a liquid turning into a gas.