Science

1. Solids, Liquids andSolids, Liquids and
GasesGases
Prepared By:Prepared By:
Joaquin, Joy MacadangdangJoaquin, Joy Macadangdang

2. By the end of this lesson you willBy the end of this lesson you will
know:know:
 what a ‘material’ iswhat a ‘material’ is
 what we mean by ‘property’what we mean by ‘property’
 what the properties of solids, liquids andwhat the properties of solids, liquids and
gases aregases are

3. MaterialsMaterials
 Everything is made from some sort ofEverything is made from some sort of
‘material’‘material’
 Materials are made up of lots and lots ofMaterials are made up of lots and lots of
tiny piecestiny pieces
 These tiny pieces are known as particlesThese tiny pieces are known as particles
 Solids, liquids and gases are all made ofSolids, liquids and gases are all made of
lots of particleslots of particles

4. PropertiesProperties
 The property of a material tells usThe property of a material tells us
something about what it is like…something about what it is like…
 Materials may be hard, soft, shiny, roughMaterials may be hard, soft, shiny, rough
 Can you think of any more?Can you think of any more?

5. SolidsSolids
 A solid is something that we can hold onA solid is something that we can hold on
toto
 A solid keeps its shape, unless we cut itA solid keeps its shape, unless we cut it
or shape it ourselvesor shape it ourselves
 In a solid, all of the particles are packedIn a solid, all of the particles are packed
together very tightlytogether very tightly

6. Liquids
 Liquids are runnyLiquids are runny
 They can be pouredThey can be poured
 The particles are less tightlyThe particles are less tightly
packed, so they can move aboutpacked, so they can move about
 If poured from one containerIf poured from one container
to another, they will take theto another, they will take the
shape of their new containershape of their new container

7. GasesGases
 The particles in gases have lots of roomThe particles in gases have lots of room
to moveto move
 Gases are all around usGases are all around us
 They spread into all of the empty placesThey spread into all of the empty places
they canthey can
 Most are invisibleMost are invisible

8. An example – waterAn example – water
 Water can be a solid, a liquid orWater can be a solid, a liquid or
a gasa gas
 When it is cold it is solid – ICEWhen it is cold it is solid – ICE
 When it is at room temperature itWhen it is at room temperature it
is a liquid – WATERis a liquid – WATER
 When it is hot it is a gas –When it is hot it is a gas –
STEAMSTEAM

9. Thank you!!!Thank you!!!

10. Thank you!!!Thank you!!!