1
Q
List 8 properties of metals
A
- strong
- malleable (can be hammered into shape)
- sonorous (makes a ringing sound)
- ductile (can pull it into wires)
- conductors of heat & electricity
- most are hard (though some are soft eg gold)
- shiny when rubbed/scratched
- melt at high temperatures
2
Q
What is an ore?
A
A rock that you find metals and minerals in
3
Q
What forms rust?
A
Iron when it comes into contact air + water vapor
4
Q
What does it mean to conduct?
A
To allow something to flow through it.
5
Q
What is an alloy?
A
a mixture of two or more metals mixed together or a metal mixed with a non metal
6
Q
What does it mean to be plated?
A
For one material (usually a metal) to be coated with (another) metal
7
Q
List the 5 properties of non metals
A
- brittle
- dull
- poor conductor of heat
- not malleable
- not ductile
NST Evan Grade 5
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