Metals!

What metal do you use for packaging?

• Iron

• Copper

• Zinc

• Aluminum

What was an historical use of BRASS?

• Building materials
• Golden helmets

• Healing wounds

What metal was used as an insulator in wire in the early 1800s?

• Iron

• Copper

• Zinc

• Aluminum

What metal was first used by the Romans between 20 BC and 14 AD?

• Aluminum

• Zinc

• Copper

• Iron

What metal has been produced in the United States since 1850?

• Zinc

• Copper

• Iron

• Aluminum

What's the most-used metal since 1000 BC?

What is an alloy?

• A mixture of two or more metals, or a metal and another element.
• A form of currency
• A type of plant
• A type of rock

What is FATIGUE in metals?

Why a metal is STRONG?

• Because of his ability to resist forces without bending, breaking or changing permanently

• Presence of water molecules
• Lack of oxygen
• High temperature

Where do we find COPPER?

• Airplanes

• In the Earth's crust
• Electrical wires

• Batteries