Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as sound, light, thermal, and mechanical.

Front

What is sound energy?

Back

Sound energy is produced when objects vibrate, creating waves that travel through air or other mediums.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye and is produced by sources like the sun, light bulbs, and fire.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What are insulators?

Back

Insulators are materials that do not allow heat or electricity to pass through them easily. Examples include rubber, plastic, and wood.

Front

What is an example of thermal energy used in daily life?

Back

Cooking food for lunch is an example of thermal energy used in daily life.

Front

What is the relationship between thermal energy and ice melting?

Back

Thermal energy from the surrounding environment causes ice to absorb heat and melt.

Front

What is an example of sound energy?

Back

When a guitar string vibrates, it produces sound energy that we can hear.

Front

What is the difference between potential and kinetic energy?

Back

Potential energy is stored energy based on an object's position, while kinetic energy is the energy of an object in motion.