Thermal Energy

Front

What is thermal energy?

Back

Thermal energy is the total energy of all the particles in an object, which is related to its temperature.

Front

In which direction does heat flow?

Back

Heat flows from a warmer object to a cooler object.

Front

What happens to particles in a solid?

Back

Particles in a solid vibrate within fixed positions and are closely packed together.

Front

How do particles in a liquid behave?

Back

Particles in a liquid can slide past one another, allowing liquids to flow.

Front

What is the movement of gas particles compared to solids and liquids?

Back

Gas particles move faster than particles in solids and liquids.

Front

What is melting?

Back

Melting is the process where a solid turns into a liquid when it absorbs heat.

Front

What is boiling?

Back

Boiling is the process where a liquid turns into a gas when it reaches its boiling point.

Front

Do all substances have the same melting and boiling points?

Back

No, different substances have different melting and boiling points.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases).