Flashcard on States of Matter

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to the molecules in a solid?

Back

They are closely packed together and vibrate in place.

Front

What happens to the molecules in a liquid?

Back

They are close together but can move past each other.

Front

What happens to the molecules in a gas?

Back

They are far apart and move freely.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

Why do hot air balloons rise?

Back

Hot air is less dense than cold air, causing the balloon to float.

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into gas.

Front

What is condensation?

Back

Condensation is the process where gas turns into liquid.

Front

What is an example of a mixture?

Back

Oil and vinegar.

Front

What is a solution?

Back

A solution is a mixture where one substance is dissolved in another, like sugar in water.