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