Heat

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 the direction of thermal energy transfer?

Back

Thermal energy ALWAYS moves from hot to cold.

Front

What is convection?

Back

Convection is the transfer of heat through liquids and gases by the movement of the fluid itself.

Front

What is conduction?

Back

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

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.

Front

Why do we wear white shirts on hot days?

Back

We wear white shirts because they reflect the sun's energy, helping us stay cool.

Front

What are insulators?

Back

Insulators are materials that do not conduct heat well, helping to keep heat in or out.

Front

What are conductors?

Back

Conductors are materials that allow heat to pass through them easily.

Front

What is the Gulf Stream?

Back

The Gulf Stream is a warm ocean current that moves from the south to the north, transferring heat.

Front

What is the role of mittens in winter?

Back

Mittens help keep your hands warm because they are insulators, trapping heat.