Energy and MatterEnergy and MatterChapter 2 Section 4Chapter 2 Section 4

Energy is never created or destroyed!

It is TRANSFORMED(Changed from one form to another)

Energy is never created or destroyed!

It is TRANSFORMED(Changed from one form to another)

Forms of EnergyForms of EnergyKinetic

Potential

Chemical

Electromagnetic

electrical

thermal energy

Kinetic

Potential

Chemical

Electromagnetic

electrical

thermal energy

Kinetic EnergyKinetic EnergyEnergy of matter in Motion

Kinetic energy of particles contributes tothe thermal energy of a substance

Energy of matter in Motion

Kinetic energy of particles contributes tothe thermal energy of a substance

Potential EnergyPotential Energy

Energy an object has because of its position.Energy an object has

because of its position.

Chemical EnergyChemical EnergyInternal energy stored in the chemical bonds between atoms. it is a form of

potential energy.

Internal energy stored in the chemical bonds between atoms. it is a form of

potential energy.

Muscles use the stored chemical energy of food we eat and convert that to heat and energy of motion.Muscles use the stored chemical energy of food we eat and convert that to heat and energy of motion.

Electromagnetic Energy

Electromagnetic Energy

Energy that travels through space as waves.Energy that travels through space as waves.

Electrical EnergyElectrical EnergyEnergy of electrically charged particles

moving from one place to another.

Electrons move from one atom to another in many chemical changes.

Energy of electrically charged particles moving from one place to another.

Electrons move from one atom to another in many chemical changes.

Transforming EnergyTransforming EnergyDuring a chemical change, chemical

energy may be changed to

other forms of energy.

During a chemical change, chemical

energy may be changed to

other forms of energy.

Other forms of energy may

also be changed to chemical energy.

Other forms of energy may

also be changed to chemical energy.

The EndThe End