5.2 Energy

Front

What is energy?

Back

Energy is the ability to cause change and can exist in many forms.

Front

What are the different forms of energy?

Back

Energy can exist in various forms including mechanical, electrical, thermal, radiant, and sound energy.

Front

How is energy transformed when a violinist plays the violin?

Back

Mechanical energy is transformed into sound energy.

Front

What is the process of energy transformation in a hairdryer?

Back

A hairdryer transforms electrical energy into thermal energy.

Front

What is work in terms of physics?

Back

Work is the force acting upon an object, causing it to move.

Front

What is radiant energy?

Back

Radiant energy is energy that travels in waves, such as light.

Front

What is mechanical energy?

Back

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

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.