8R Energy, Heat Transfer, Specific Heat

Front

What is the direction of heat energy flow between objects of different temperatures?

Back

Heat energy flows from hot to cold.

Front

How does heat flow?

Back

Heat always flows from warm to cold.

Front

In a heat transfer scenario, if one material loses energy and another gains energy, what does this indicate?

Back

The material that lost energy is cooler, and the material that gained energy is warmer.

Front

What does temperature measure?

Back

Temperature measures the average kinetic energy of particles in a substance.

Front

Why is water often used as a coolant in engines?

Back

Water has a high specific heat, requiring more energy to change its temperature.

Front

What is specific heat?

Back

Specific heat is the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of all the particles in a substance.

Front

What happens to the temperature of a substance when it absorbs heat?

Back

The temperature of the substance increases.

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 or gases).