6th Grade Energy Review

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of the particles in an object.

Front

What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids and gases). It occurs when warmer, less dense fluid rises and cooler, denser fluid sinks.

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one.

Front

What is radiation?

Back

Radiation is the transfer of energy through empty space in the form of electromagnetic waves, such as light or heat.

Front

How does heat transfer from the sun to the Earth?

Back

Heat transfers from the sun to the Earth through radiation.

Front

What is an example of conduction?

Back

An example of conduction is a metal spoon getting hot when placed in a pot of hot soup.

Front

What is an example of convection?

Back

An example of convection is warm air rising and cool air sinking in a room, creating a circulation of air.

Front

What is an example of radiation?

Back

An example of radiation is feeling the warmth of the sun on your skin.

Front

What happens to particles in a substance when it is heated?

Back

When a substance is heated, its particles gain energy, move faster, and usually spread apart, causing the substance to expand.

Front

What is the difference between thermal energy and temperature?

Back

Thermal energy is the total energy of all the particles in a substance, while temperature is a measure of the average kinetic energy of those particles.