UNIT 7. FORMS OF ENERGY

UNIT 7. FORMS OF ENERGY


GLOSSARY:

WORD		WORD		WORD
Kinetic	Cinética, relativa al movimiento	Lightning	relámpagos	Travel	viajar
Motion	movimiento	Phenomena	fenómenos	Nuclear fuels	Combustibles nucleares
Stored	almacenada	Lifts	ascensores

   Energy can exist in many forms.
  

Some examples of energy

Each form of energy has its own characteristics.

MECHANICAL ENERGY
   All objects have mechanical energy.
   There are two main types:
   Kinetic energy: Energy of motion.
   Potential energy: Gravity or elastic force.

CHEMICAL ENERGY
   Chemical energy is stored in different substances.
   During chemical reactions this energy is converted into other forms: in food, in fuel and  inside a  battery.
 

ELECTRICAL ENERGY
   Some examples of electrical energy we can see in natural phenomena such as lightning.
   Electrical energy is used in televisions, lifts, refrigerators...

LIGHT ENERGY
   Light energy is the energy that travels with light.
   Plants use light energy for photosynthesis.

NUCLEAR ENRGY
   Nuclear energy is stored in substances known as nuclear fuels, such us uranium and plutonium.


THERMAL ENERGY
   Thermal energy passes from warmer bodies to cooler bodies.