unit 3. objects and materiales
TRANSCRIPT
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UNIT 3: OBJECTS AND MATERIALS
NATURAL SCIENCE
SECOND LEVELPRIMARY
CEIP SANTA ANAMADRIDEJOS
(TOLEDO)
Mª Isabel López
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The objects around you are madeof many different materials.
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PLASTIC
METAL
WOOD
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GLASS
LEATHER
COTTON
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PAPER
CLAY
WOOL
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WHERE DO MATERIALS COME FROM?
NATURAL MATERIALS
MAN-MADE MATERIALS
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NATURAL MATERIALS
They come directlyfrom plants, animals
or the ground.
PAPER WOOL CLAY
comes from de tree
comes from thesheep
comes from thesand
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LEATHER WOODCOTTON
comes from ananimal
comes from a plant
comes from thetree
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MAN-MADE MATERIALS
They are made by man.
PLASTIC GLASS
METAL
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PROPERTIES OF MATERIALS
SOFT
RIGIDFLEXIBLE
HARD
ROUGHSMOOTH
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WATERPROOF
TRANSPARENT
ELASTIC
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REUSE
RECYCLE REDUCE
They help us take care of theEarth and its limited resources.
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RECYCLE
PAPER PLASTIC GLASS
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REDUCINGwhat we use
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REUSINGthings twice or many times
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FORCESForces move objects.
Push and pull are forces.
When you push something, itmoves away from you.
When you pull something, itmoves towards you.
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MATERIALS