8f Materials

Question 1

What is an element

Answer 1

A substance made out of one type of atom

Question 2

What is an atom

Answer 2

The smallest particle of an element you can get

Question 3

Properties of metals

Answer 3

Shiny
Flexible
Heat and electricity conductors
Solids at room temperature
Ductile ( able to stretch into thin wires )
Malleable ( able to be hammered into shape )

Question 4

Non metal properties

Answer 4

Solids or gases at room temperature

Electrical and heat insulators

Question 5

A compound is

Answer 5

Two or more metals joined together

Question 6

What is a molecule

Answer 6

The smallest particle of a compound

Question 7

Aluminium oxide comes from an ore called

Answer 7

Bauxite

Question 8

Aluminium metal mapelts at

Answer 8

660 degrees Celsius

Question 9

Explain how metals are malleable in terms of their atoms

Answer 9

The atoms can slide over each other when a force is applied

Question 10

Explain how metals have a high density in terms of their atoms

Answer 10

Has a lot of atoms in a small volume

Question 11

Explain how metals are good conductors of heat in teeprms of their atoms

Answer 11

Hot particles vibrate strong,y and metals atoms are close together so the vibrations are passed on easily . They are also carried by free electrons