Alloys

All alloys are mixtures.

• True

• False

Mixtures that do NOT behave as a pure substance have a melting range, not a melting point.

• True

• False

What do metals conduct well?

• heat

• electricity

• circulation

• music

All metal elements melt at the same boiling point.

• True

• False

What can act as an insulator, preventing the movement, of electricity?

• glass

• wood

• rubber

• copper

What do you measure of a metal when you dent it?

• hardness

• cleavage

• luster

• streak

a brittle material is one that

• will bend
• fractures under presure
• can be crushed easilly

what would you add to an alloy to increase its corrosion resistance

• chromium
• nickel
• phosphous

Tags

NGSS.HS-ETS1-3

The most common element added to iron to create steel alloy is ...

• tungsten

• vanadium

• chromium

• carbon

This type of steel was discovered by accident when an experiment went wrong, and includes over 11% of chromium

• stainless steel

• high strength steel (HSS)

• structural steel

• sheet steel (used for thin parts)