Metals and their uses

Copper is used for jewelry because it...

• has a low melting point.

• is brittle

• is lustrous

• has a high melting point.

Copper is used for water pipes because it...

• is lustrous

• is malleable

• is ductile

• is a good conductor of electricity.

Copper is used in electrical wiring because it...

• is a poor conductor of electricity.

• has a low melting point.

• is ductile.

• is malleable.

Copper is used in saucepans because it...

• is a poor conductor of electricity.

• has a high melting point.

• is ductile.

• is malleable.

We would use gold or silver for jewelry because...

• it is a poor conductor of electricity.

• it has a low melting point.

• it is ductile.

• it is lustrous.

Aluminum is used in aircraft manufacturing because it...

• is a good conductor of electricity.

• is lightweight and strong.

• has a high melting point.

• is malleable.

Iron is commonly used in construction because it...

• is a poor conductor of electricity.

• is lightweight.

• is strong.

• has a low melting point.

Why is gold often used in electronics?

• It is a poor conductor of electricity.

• It is a good conductor of electricity.

• It is lightweight.

• It has a low melting point.

Why is steel used in kitchen utensils?

• is a poor conductor of heat.

• is resistant to corrosion.

• is lightweight.

• has a low melting point.

Why is titanium used in medical implants?

• is a poor conductor of electricity.

• is lightweight and unreactive.

• has a high melting point.

• is ductile.