Uses of Metals

Why is iron a useful metal?

• It is useful because it is hard and strong.

• It is useful because it rusts easily.

• It is useful because it is very light.

• It is useful because it is very brittle.

What is the one problem with iron?

• It rusts easily.

• It is too light.

• It is a liquid at room temperature.

• It is very rare.

Why is gold used in the manufacture of jewellery?

• It is heavy.

• It is malleable.

• It has lustre and is unreactive.

• It is magnetic.

What metal is used in electrical wires?

• copper

• silver

• gold

• iron

Tags

NGSS.HS-PS2-5

Why is copper used to manufacture electrical wires?

• It is used because it is ductile, malleable and is a good conductor of electricity.

• It is used because it has lustre.

• It is used because it is ductile, brittle and a good conductor of electricity.

• It is used because it is magnetic.

Which metal is used in the aircraft industry as it is very light?

• aluminium

• copper

• iron

• brass

Which of these is a property of metals?

• It's malleable
• It can't conduct electricity
• They are used in food
• It's very brittle

Brittle

• Metal
• Nonmetal

Tags

NGSS.HS-PS1-1

Good conductor of heat

• Metal
• Nonmetal

Tags

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All of the following would classify an element as a metal except?

• Dull
• Luster
• Malleable
• Hard