biology

MATTER AND ENERGY

START

Manuel Rodríguez González

INDEX

CHEMICAL PRODUCE NEW CHEMICAL ELEMENTS

CHANGES IN MATTER

ENERGY TRANSFORMATION

WHY A SUBSTANCE CHANGE

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FORM OF ENERGYS

FAREWELL

changes in mater

Melting: this is when a solid turns into a liquid.

Vaporisation: when a liquid is transformed into a gas.

Freezing: is the change from liquid to solid

Condensation: is the change from gas to liquid

Deposition: is the change of matter from the gaseous state to the solid state

Sublimation: is the change to solid to gas

CHEMICAL PRODUCE NEW CHEMICAL ELEMENTS

Antoine Lavoiser said that in any chemical reaction the mass will remain constant. This is the known as the Law of Conservation of Mass

The Law of Conservation of Mass

In any chemical reaction, mass is conserved. The total mass of the reactants is equal to the total mass of the products.

WHY a substance change

Depending on whether the molecules of the substance move or vibrate sufficiently, a change of state occurs

energy transformation

Energy transformations are processes that convert energy from one type into another.

FORM OF ENERGYS

Kinetic energy: Is the energy possessed by an object due to its motion

Potential energy: Is the energy which a body possesses as a consequence of its position, or its condition

Thermal energy: Is the energy of an object with a temperature above absolute zero, due to the kinetic energy of its molecules

Chemical energy: Is the energy stored in a chemical substance that can be realased or absorbed in a chemical reaction

Electrical energy: is due to the flow of an electrical current through a conductor

Mechanical energy: is the sum of the kinetic energy and potential energy of a body

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