Different Materials and their Properties
What is a book made of?
Paper
What do we call a material that DOESN'T break easily?
Resistant
What material is best for cooking food?
What does waterproof mean?
(A type of material that) Doesn't let water go through.
What does stretchy mean?
Can be pulled longer easily?
The ability of certain solid substances to undergo permanent changes in shape without breaking, usually by stretching
Ductility
What do you call a material that DOES break easily?
Fragile
What is a heat conductor?
Something that allows heat to pass through it easily.
What does absorbent mean?
A material that can take in liquid easily.
What does flexible mean?
What is the property that lets light through?
Transparent
Why do we use iron to make bridges?
Because it is strong.
Plastic, Cloth, Ceramic, Wood
Name 5 waterproof things in your house.
Counter, Sink, Shower, Cup, Plate, Table, Floor, Ceiling, Wall.
Name two materials that AREN'T stretchy
stone, paper, cup, ruler, table, glass
Name three kinds of man-made materials
Glass, Plastic, Ceramic, Metal
Gold (or Silver)
A type of plastic used for insulation
PVC
Name 3 absorbent things in your house
Towel, tissue, clothes, bedsheets
What animal is famous for being really flexible, because it has no bones.
Octopus.
Name two kinds of natural materials
Cotton, Bone, Rubber, Leather, Feathers, Stones
Name 3 fragile items in your house.
Plates, Glass Cups, Windows, Mirror
Why are two thin blankets better than one thick blanket?
Because you can trap more air and heat between the blankets. Adding more layers is best for keeping things insulated.
Wax
Why is your stomach stretchy?
So that it can make room for food