Materials

Question 1

What are materials

Answer 1

Materials are substances that objects are made from.

Question 2

What are materials classified as

Answer 2

Solids,liquid’s,gases
Metals,Non-Metals
Natural,synthetic

Question 3

Define the term elements

Answer 3

Contains one type of element only eg H2

Question 4

Define the term compounds

Answer 4

Contains two or more different elements chemically combined, eg H2O

Question 5

Define the term mixtures

Answer 5

Contains two or more substances mingled together.eg saltwater

Question 6

Define the term melting point

Answer 6

Temputure on what solid changes to liquid

Question 7

Define the term hardness

Answer 7

Not easy to cut

Question 8

Define the term stiffness

Answer 8

Materials resits bending or changing shape

Question 9

Define the term elasticity

Answer 9

Ability to stretch and return to its origin shape/lenght

Question 10

Define the term strength

Answer 10

Testile:resist pulling force
Compressive:resist pushing force

Question 11

How can u tell if the last get bulb is a conductor or insulator

Answer 11

If the build lights the material it’s a conductor.eg aluminium can if the build does not light that material is an insulator.eg wool

Question 12

Define the term composites

Answer 12

made up of several different things, parts, or substances

Question 13

Define the term metals

Answer 13

opaque, lustrous elements that are good conductors of heat and electricity

Question 14

Define the term polymes

Answer 14

any of a class of natural or synthetic substances composed of very large molecules

Question 15

Define the term ceramics

Answer 15

the art or technology of making objects of clay and similar materials treated by firing