MATTER AND MIXTURES Flashcards
MATTER
Anything that occupies space and has mass
MASS
is the amount of matter in an object
3 STATES OF MATTER
solids,liquids and gasses
PROPERTIES OF SOLIDS
solids have definite shapes
solids have definite volume
solids can not be compressed
solids cannot flow
properties of liquids
liquids have no definite shape
liquids have definite volume
liquids cannot be compressed
liquids can flow
properties gasses
gasses have no definite shape
gasses have not definite volume
gasses can be compressed
gasses can flow
HEAT ENERGY
in order for substance to change state(from a solid to a liquid or liquid to gas) it needs heat energy
as a substance changes state is uses latent heat. there is no change to temperature but the state of material changes
LATENT HEAT
As a substance changes state,it uses latent heat.There is no change to temperature,but the state of the materiel changes.
MELTING POINT
is when both the solid and liquid state exist together (changing from a solid to a liquid)
BOILING POINT
of a liquid is when evaporation begins to happen throughout the liquid (changing of a gas to a liquid)
CONDENSATION
is the changing of a gas to a liquid
DIFFUSION
is the movement of particles from an area of high concentration to an area of low concentration eg.spraying perfume in one corner of the room and it spreads to the rest of the room
PLASMA
is the fourth state of matter,like gas but can conduct electricity
PHYSICAL CHANGE
nos change in particles just the particle arrangement and energy easy to reverse eg.water and slag being mixed
CHEMICAL CHANGE
a chemical reaction takes place and a new substance is formed very difficult to reverse eg.a match