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