What is energy? – True or false

The video explains that sound is a form of energy. It details how sound energy is transferred through the vibration of air molecules.

What is sound primarily considered as?

• A form of energy

• A type of matter

• A visual phenomenon

• A chemical reaction

How is sound energy transferred?

• When air molecules vibrate

• Through solid objects only

• Through light waves

• By chemical reactions

Which of the following is NOT a characteristic of sound?

• It is a form of energy

• It can travel through a vacuum

• It requires a medium to travel

• It involves vibration of molecules

What happens to air molecules when sound is produced?

• They change color

• They disappear

• They vibrate

• They remain still

Which statement is true about sound?

• Sound is a type of chemical energy

• Sound is a form of energy that involves molecular vibration

• Sound does not require a medium to travel

• Sound is visible to the human eye