Thermal Energy OpenSciEd Flashcard

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of the particles in a substance, which is related to its temperature.

Front

What happens to particles in a solid?

Back

Particles in a solid vibrate in place but do not move freely.

Front

Which state of matter has particles that are close together but can slide past each other?

Back

Liquid.

Front

What is the main characteristic of gas particles?

Back

Gas particles have a lot of space between them and move freely.

Front

What is an open system?

Back

An open system is one that allows matter and energy to enter and leave.

Front

How does energy transfer in solids compared to liquids and gases?

Back

Energy transfers more quickly in solids due to closely packed particles.

Front

What is the difference between a closed system and an open system?

Back

A closed system does not allow matter to enter or leave, while an open system does.

Front

What is the state of matter where particles are in a fixed position?

Back

Solid.

Front

What happens to the thermal energy of a substance when it is heated?

Back

The thermal energy increases, causing the particles to move faster.

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.