1st Semester Final Exam Review of ENERGY

Front

What type of energy is present when an object is held in a position, ready to be released?

Back

Potential energy

Front

What is the process called when a toaster converts electric energy into heat energy?

Back

Energy conversion

Front

How do the particles in a substance behave when the temperature increases?

Back

They move faster on average.

Front

What type of heat transfer occurs when the side of a chair facing a fireplace gets warm?

Back

Radiation

Front

What does the law of conservation of energy state about energy entering and leaving a system?

Back

The amount of energy coming out of the system must equal the energy that entered the system.

Front

What is kinetic energy?

Back

The energy of an object in motion.

Front

What is potential energy?

Back

The stored energy of an object due to its position or state.

Front

What is the difference between conduction, convection, and radiation?

Back

Conduction is heat transfer through direct contact, convection is heat transfer through fluid movement, and radiation is heat transfer through electromagnetic waves.

Front

What is an example of chemical energy?

Back

Energy stored in food or fuel.

Front

What happens to the energy of particles in a solid compared to those in a gas?

Back

Particles in a solid have less energy and move less freely than those in a gas.