Flashcard#6 Retake

Front

How do particles in a gas move?

Back

Particles in a gas are far apart and move very fast.

Front

What is required for all changes of the state of matter?

Back

All changes of the state of matter require energy.

Front

What is the process called when water changes from liquid to gas?

Back

The process is called evaporation.

Front

What is the process called when water vapor turns into liquid water, like dew on grass?

Back

The process is called condensation.

Front

Where does evaporation occur?

Back

Evaporation occurs on the surface of a liquid.

Front

What happens to the energy of particles when a substance melts?

Back

The energy of the particles increases, allowing them to move more freely.

Front

What is the state of matter where particles are closely packed together and vibrate in place?

Back

The state of matter is solid.

Front

What is the state of matter where particles are close together but can slide past each other?

Back

The state of matter is liquid.

Front

What is sublimation?

Back

Sublimation is the process where a solid changes directly into a gas without becoming a liquid.

Front

What is the boiling point of water at sea level?

Back

The boiling point of water at sea level is 100 degrees Celsius.