Gr5 NST Metals and Non-Metals

What is an alloy?

• A type of rock that contains minerals and metals

• The reddish brown layer formed when Iron combines with air and water

• A metal coated by another metal

• Two or more metals mixed together, or a metal mixed with a non-metal

A type of rock that contains minerals and metals

• Rust

• Ore

• Alloy

A metal coated by another metal

• Ductile

• Conducted

• Plated

• Malleable

What is the reddish brown layer that forms when Iron combines with air and water called?

• Alloy

• Plating

• Conductor

• Rust

• Ore

What does 'conducts' mean?

• Able to be drawn into wires

• Carries heat or electricity

• Carries materials and metals

• Coated metals

Properties of metal

• Melt at high temperatures

• Are shiny when polished

• If we drop them, they will break

• Metals are brittle

Which South African coins are steel, plated in bronze?

• 5 cent coins

• 10 cent coins

• 20 cent coins

• 50 cent coins

• One Rand coins

Which words best describe non-metals?

• Soft

• Brittle

• Dull

• Conducts heat

• Conducts electricity

Which of the following are examples of metals?

• Copper, gold, bronze, plastic

• Wood, iron, steel, gold

• Glass, rock, silver, aluminum

• Silver, gold, titanium, iron

Which of these is an example of a malleable metal?

• Titanium

• Plastic

• Iron