unit 3. objects and materiales

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