Study Guide

Front

What are X-rays used for in addition to examining bones?

Back

Identifying the crystal structure of minerals.

Front

What does it mean for an electrical fan to be more energy efficient?

Back

It reduces the percentage of heat lost to the atmosphere.

Front

How is energy transferred in an electrical circuit?

Back

Through moving electrons.

Front

What type of energy produces heat in a self-heating pack?

Back

Chemical energy.

Front

What happens to the energy of a ball when it comes to a stop after bouncing?

Back

The potential energy of the ball has decreased.

Front

What is the definition of potential energy?

Back

The energy possessed by an object due to its position or height.

Front

What is kinetic energy?

Back

The energy an object has due to its motion.

Front

What is the principle of energy conservation?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the role of electrons in electricity?

Back

Electrons are the charge carriers that move through a conductor to transfer energy.

Front

What is thermal energy?

Back

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