Ima

properties of metals:

Metals usually have these extra properties too:

• Conduct electricity → That’s why wires are made of metal.

• Conduct heat → Metal spoons get hot in soup.

• Magnetic (some metals) → Iron can stick to magnets.

• Sonorous → Metals make a ringing sound when hit.

• Heavy → Many metals feel heavy for their size.

Some common metals and their uses

• Iron → bridges, gates, tools

• Copper → electric wires

• Aluminium → foil, cans, airplanes

• Gold → jewellery

• Silver → jewellery and decorations

Metals can change

• Some metals rust.Example: Iron + water + air → rust

• Rust makes metal weak and brownish-red.

Metals vs Non-metals

• Metals → shiny and strong

• Non-metals → dull and weak (usually)