A very ductile material changes shape without breaking. True or false?
true
A /an ___________________is a material that does not conduct electricity or heat easily due to its high electrical resistance or low thermal conductivity.
insulator
The ability of a material to resist deformation and return to its original shape when a force is removed is called________
Elastic limit
Glass is an excellent electrical insulator. True or false?
True
Rebar is wood used for constructing building. True or false?
False. Lumber is used for construction
The measure of a material's resistance to scratching, abrasion, or penetration by another material or object.
Hardness
The energy-absorbing capacity of a material, which allows it to deform plastically and absorb impact without breaking.
Toughness
Polymer is a mixture of metal and another material. True or false?
False. It is an alloy
Aluminium is not malleable. True or false?
False. It's malleable
Dirt, wood and water are all _____________materials
natural
The property of a material to reflect light and shine with a polished or shiny surface
Luster
Copper is not malleable. True of false?
False. It is a high malleable material
Lumber is an artificial susbstance developed in labs. True or false?
False. It is a natural material
Polymers are classified into___________and____________
natural and artificial
Ceramics are hard material that do not melt. True or false?
True
The translation of "wear resistence" is_____________
resistencia al desgaste
Steel is strong material made of iron and carbon. True or false?
true
Rebar is made of ceramics. True or false?
False. It is made of metal
The maximum stress a material can endure without permanent deformation or breaking is _________________
Yield strength
Steel has a low melting point. True lr false?
False. Its melting point is high
Rubber is resistant to abrasion. True or false
True
Concrete is used to make cars. True or false?
False. It is used for building construction
Aluminium has a low melting point. True or false?
true
Lumber has an excellent electrical conductivity. True or false?
False. It's a natural insulator
Your experience on this site will be improved by allowing cookies.