MP4 QUIZ

Which one is NOT correct about "Gold"?

• A very good conductor of electricity.

• A precious metal.

• Tarnish as a result of exposure to oxygen.

• The most malleable of all metals.

What is the difference between ferrous metals and nonferrous metals?

• Copper

• Iron

• Gold

• Aluminum

What is "a mixture of two or more elements, with one of those elements being a metal"?

• Material

• Alloy

• Element

• Metal

What is "a property that allows copper to be drawn out into long, thin wires without breaking"?

• Ductility

• Malleability

• Reflectivity

• Tarnish

Which one is NOT an example of common hardwoods?

• Cherry

• Hard Maple

• Pine

• Black walnut

Which one is NOT correct about softwoods?

• Softwoods are angiosperms.

• Softwoods are easier to machine than hardwoods.

• Softwood is predominantly used for construction lumber.

• Softwood trees have straight trunks and take less time to mature than hardwoods.

Which means: The tangible substances that make up physical objects?

• Metals

• Materials

• Elements

• Conductivity

Which one is NOT an example of a nonferrous metal?

• Cobalt

• Iron

• Nickel

• Gadolinium

Which one is correct about "Silver"?

• Not a precious metal.

• The worst conductors of electricity.

• Has the lowest optical reflectivity of any metal.

• Silver halide is a salt that forms when silver bonds to a halide material.

Which one is NOT correct about "Copper"?

• The worst conductor of electricity.

• A tough, malleable, and very ductile metal.

• Used extensively throughout the electronics industry.

• Serves as the base metal for alloys such as bronze and brass.