MATTER
MATTER: features
Mass: how much matter an
object has. It is measured in
gr. & kg.
Straw
Iron
What object do you think have more amount of
matter?
MATTER: features
Volume: the amount of
space that matter takes up
FULL Balloons
Which balloons take
up more space?
EMPTY Balloons
MATTER: States
• Solids have a DEFINITE SHAPE
• Solids have a DEFINITE VOLUME
• Solids have STRONG BONDS
• Liquids DON’T have a DEFINITE SHAPE
• Liquids have a DEFINITE VOLUME
• Liquids have WEAK BONDS
• Gases DON’Thave a DEFINITE SHAPE
• Gases DON’T have a DEFINITE VOLUME
• Gases DON’T have BONDS
Let’s remember the states of matter
and their characteristics
Changes in Matter
Physical change Chemical change
Changes in shape
Changes in state
SAME SUBSTANCE
NEW
SUBSTANCE IS
PRODUCED
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
TWISTING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
CHEMICAL
CHANGE
EXPOSING TO AIR
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
CHEMICAL
CHANGE
BURNING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
SQUASHING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
HEATING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
FREEZING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
CHEMICAL
CHANGE
BURNING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
HEATING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
CHEMICAL
CHANGE
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
CHEMICAL
CHANGE
BENDING
Let’s play…
What kind of change has happened?
And what force is applied?
HEAT
FREEZE
BEND
TWIST
STRETCH
SQUASH
BURN
EXPOSE
TO AIR
PHYSICAL
CHANGE
STRETCHING
MIXTURES
HETEROGENEOUS
We can see the
substances easily
HOMOGENEOUS
We cannot see the
substances easily
Properties of materials
Materials have different
properties
They can be…
RESISTANT
(Material
DIFFICULT to
BREAK)
Properties of materials
Materials can be…
FRAGILE
(Material EASY to BREAK)
FLEXIBLE
RIGID
(Material DOESN’T
BEND easily)
(Material EASY
to BEND)
Properties of materials
Materials can be…
ELASTIC
(RETURNS to its
original shape)
OPAQUE
TRANSPARENT
(LIGHT CAN
PASS through
them)
(LIGHT
CAN’T PASS
through them)
Properties of materials
Materials can be…
WATER PROOF
(WATER CAN’T
PASS through
them)
HEAT
INSULATORS
HEAT
CONDUCTORS
(HEAT
PASSES
through easily)
(HEATCAN’T
PASS through
them easily)