A
True or false
steel is a processed [made by humans] material
True
true or false
all objects are only made from one material
False
some objects are made from more than one material.
What material is most suitable for making a table?
wood
what are scissors used for?
to cut
what is a helmet used for?
for safety, to protect your head if you in an accident.
name two products made from wood
paper
table
chairs
chopsticks
name two products made from cotton
clothes
towels
cotton buds
name two products made from leather
belt
bag
shoes
name two product made from ceramics [clay / earth]
tile
jar
bowl
ornament
name two products made from plastic
plastic bag/straws
rules
toys
container
where does leather come from?
skins of animals
where does silk come from?
silkworms
where does wool come from?
sheep
what material do we get from the ground?
(not wood)
metal
where do we get rubber from?
rubber tree sap
what properties does a material that can stretch easily without breaking have?
Elasticity / flexible
what properties does a material that can support a heavy load have?
Strong/ strength
what properties does a material that keeps you dry from water have?
waterproof
Name a magnetic material and 2 magnetic items
Metal + 3 items
what properties does a material that allows most light to pass through have?
transparency
what properties does a material that blocks out all light have.
opaque/opacity
Name 4 types of natural materials. EG: wood
Cotton
rubber
leather
metal
silk
wool
feathers
name 3 types of man-made materials. eg: steel
glass
plastic
ceramics
Name 4 properties that materials have?
absorbency
strength
hardness
flexibility
elasticity
heat conductivity
magnetic
transparency
how is glass made?
sand + fire = glass