Chemistry: Heat Transfer Makeup

Front

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Back

Hotter to colder.

Front

Energy cannot be created or destroyed, it can be transformed or transferred from one form to another. This is known as _______________.

Back

Law of conservation.

Front

What happens when you hold hands with someone whose hands are warmer than yours?

Back

The heat energy from your friend's hand transferred to your hand through conduction.

Front

When you pick up a can of soda and the countertop feels colder underneath, what is happening?

Back

Some heat has been transferred from the counter to the soda.

Front

Electrical energy is converted into _______ energy and produces heat.

Back

Thermal.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves without the need for a medium.

Front

Define thermal energy.

Back

The total kinetic energy of particles in a substance, related to temperature.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is energy of motion.