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*[[Ductility]]
*[[Sonorousness]]
==Key Stage 4==
===Meaning===
'''Physical Properties''' are features of a [[substance]] that can be observed without changing the [[substance]] itself.
===Properties and Applications===
{| class="wikitable"
|-
| style="height:20px; width:300px; text-align:center;" |'''Property'''
| style="height:20px; width:300px; text-align:center;" |'''Application'''
|-
| style="height:20px; width:300px; text-align:center;" |High [[Melting Point]]
| style="height:20px; width:300px; text-align:center;" |Jet engines so they don't melt as the fuel is burned inside them.
|-
| style="height:20px; width:300px; text-align:center;" |[[Opacity|Transparent]]
| style="height:20px; width:300px; text-align:center;" |Used for windows, containers for a light source and lenses to allow light through.
|-
| style="height:20px; width:300px; text-align:center;" |Low [[Density]]
| style="height:20px; width:300px; text-align:center;" |Used in aircraft and cars to keep a low weight.
|-
| style="height:20px; width:300px; text-align:center;" |High [[Density]]
| style="height:20px; width:300px; text-align:center;" |Used in bullets and artillery shells to increase the momentum and then the force during a collision.
|-
| style="height:20px; width:300px; text-align:center;" |Low [[Thermal Conductivity]]
| style="height:20px; width:300px; text-align:center;" |Clothing, house insulation, handles for pots and pans to prevent extreme temperatures spreading from one region to another.
|-
| style="height:20px; width:300px; text-align:center;" |High [[Thermal Conductivity]]
| style="height:20px; width:300px; text-align:center;" |Pots and pan to allow then to heat quickly to cook food.
|-
| style="height:20px; width:300px; text-align:center;" |Low [[Electrical Conductivity]]
| style="height:20px; width:300px; text-align:center;" |Covering wires to prevent [[electricity]] flowing out of the wires.
|-
| style="height:20px; width:300px; text-align:center;" |High [[Electrical Conductivity]]
| style="height:20px; width:300px; text-align:center;" |Wires to allow [[electricity]] to pass through.
|-
| style="height:20px; width:300px; text-align:center;" |[[Hardness|Hard]]
| style="height:20px; width:300px; text-align:center;" |Walls to prevent damage from impact.
|-
| style="height:20px; width:300px; text-align:center;" |[[Malleability|Malleable]]
| style="height:20px; width:300px; text-align:center;" |Wires so they can be bent into new positions without breaking.
|-
| style="height:20px; width:300px; text-align:center;" |[[Ductility|Ductile]]
| style="height:20px; width:300px; text-align:center;" |Wires because they need to be stretched into shape.
|-
| style="height:20px; width:300px; text-align:center;" |[[Sonorousness|Sonorous]]
| style="height:20px; width:300px; text-align:center;" |Bells to make a sound when struck.
|}