States of Matter

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

Describe the arrangement of molecules in a solid state of matter.

Back

Molecules are closely packed together in a fixed position.

Front

How do molecules behave in a liquid state of matter?

Back

Molecules are close together but can move past one another, allowing liquids to flow.

Front

What is the primary characteristic of gas molecules?

Back

Gas molecules are far apart and move freely, filling the container they are in.

Front

What is the process called when a solid turns into a liquid?

Back

Melting.

Front

What is the process called when a liquid turns into a solid?

Back

Freezing.

Front

What is condensation?

Back

The process by which a gas turns into a liquid.

Front

What is evaporation?

Back

The process by which a liquid turns into a gas.

Front

What is the relationship between temperature and the state of matter?

Back

Increasing temperature generally increases molecular movement, potentially changing the state of matter.

Front

What is thermal energy?

Back

The energy that comes from heat, related to the movement of molecules.