Name one property of plastic.
waterproof
rough
hard
heavy
Name one property of rock
strong
transparent
easy to make
light
Name one property of this paper.
waterproof
transparent
easily washable
light
Name one property of cotton.
hard
soft
transparent
rough
Name one property of this metal.
opaque
transparent
stretchy
insulating
Why do we use metal for this bag?
It needs to be flexible.
It needs to be light.
It needs to be strong.
It needs to be smooth.
What kind of material do we need for a raincoat?
Metal because it is shiny.
Paper because it is light.
Plastic because it is waterproof.
Wood because it is opaque
What kind of material do we need for a backpack?
Glass because it is transparent.
Rock because it is strong.
wood because it is stiff.
cloth because it is light.
A sponge is ..........
absorbent
Rainboots are ........
waterproof
metal is: nuocdgtnic
conducting
this material is: nsiltgauin
insulating
An umbrella is absorbent.
false
true
