Energy Transformations

Front

What type of energy is associated with an object in motion?

Back

Kinetic energy is the energy of an object due to its motion.

Front

What type of energy transformation occurs when a lamp is plugged in and working?

Back

Electrical energy is transformed into light energy.

Front

According to the Law of Conservation of Energy, energy cannot be ______ or ______.

Back

created, destroyed

Front

What type of energy is stored in an object due to its position or height?

Back

Potential energy is the stored energy based on an object's position.

Front

What is another name for thermal energy?

Back

Heat is another term for thermal energy.

Front

What is the formula for kinetic energy?

Back

Kinetic energy (KE) = 1/2 mv², where m is mass and v is velocity.

Front

What is the formula for potential energy?

Back

Potential energy (PE) = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What is the relationship between energy and work?

Back

Work is done when energy is transferred from one system to another.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

What is an example of energy transformation in a battery-powered device?

Back

Chemical energy in the battery is transformed into electrical energy.