MATTER
MATTER: features
Mass: how much matter an object has. It is measured in gr. & kg.
What object do you think have more amount of matter?
Straw Iron
MATTER: features
Volume: the amount of space that matter takes up
Which balloons take up more space?
FULL Balloons
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 changeChanges in
shapeChanges in stateSAME
SUBSTANCE
NEW SUBSTANCE IS
PRODUCED
Let’s play…
What kind of change has happened?And what force is applied?
PHYSICAL CHANGE
TWISTING
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
CHEMICAL CHANGE
EXPOSING TO AIR
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
CHEMICAL CHANGE
BURNING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
PHYSICAL CHANGE
SQUASHING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
PHYSICAL CHANGE HEATING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
PHYSICAL CHANGE
FREEZING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
CHEMICAL CHANGE BURNING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
PHYSICAL CHANGE HEATING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
CHEMICAL CHANGE
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
CHEMICAL CHANGE BENDING
Let’s play…
What kind of change has happened?And what force is applied?
HEATFREEZEBENDTWIST
STRETCHSQUASH
BURN
EXPOSE TO AIR
PHYSICAL CHANGE
STRETCHING
MIXTURES
HETEROGENEOUS HOMOGENEOUS
We can see the substances easily
We cannot see the substances easily
Properties of materials
Materials have different properties
They can be…
RESISTANT(Material
DIFFICULT to BREAK)
Properties of materialsMaterials can
be…
FRAGILE(Material EASY to BREAK)
RIGID
(Material DOESN’T BEND
easily)
FLEXIBLE
(Material EASY to BEND)
Properties of materialsMaterials can be…
ELASTIC(RETURNS to its original shape)
TRANSPARENT
(LIGHT CAN PASS
through them)
OPAQUE
(LIGHT CAN’T PASS
through them)
Properties of materialsMaterials can be…
WATER PROOF(WATER CAN’T PASS through
them)
HEAT CONDUCTORS
(HEAT PASSES through easily)
HEAT INSULATORS
(HEATCAN’T PASS
through them easily)
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