WorksheetsIB DP DT Topic 4.2a Metals
Total questions: 15
Worksheet time: 8mins
Iron is extracted from a metal ore, mostly commonly found as ...
Haematite and Magnetite
Ferrotite and Magnetite
Haematite and Bauxite
Ferrotite and Bauxite
What is used to make steel?
Bauxite, coke and soda
Iron, coke and limestone
Bauxite, soda and limestone
Iron, coke and bauxite
To make Aluminium, it requires an expensive process to extract the Aliminium, known as ...
Pyrolytic process
Smelting
Electrolytic process
Thermolytic process
The atoms in metals arrange themselves into a regular pattern known as ...
chromatic structure
lattice structure
herculean structure
pinnacle structure
Close packed hexagonal structures result in metals that are...
strong and tense
hard and tough
very ductile and good conductors
weak and poor strength
Face centred cubic structures in metals means that metals are ...
strong and tough
strong and tense
very ductile and good conductors
weak and poor strength
Body centred cubic structures in metals means that metals are ...
strong and tense
hard and tough
very ductile and good conductors
weak and poor strength
Metal crystals become dendrites and these form grains. What determines the size of the metals grains?
Cooling speed from molten metal
Atomic size of dendrites
Addition of other elements
Cubic structure of metals
Which list of methods is correct for controlling the grain size of metals?
Tempering, Annealing, Formalising, Hardening
Hardening, Annealing, Temperature, Satirising
Normalising, Annealing, Tempering, Hardening
Formalising, Akneeling, Tempering, Hardening
A metal that has been Hardened has a small grain structure.
True
False
Metal alloys contain two or more compounds to make a metal with worse properties.
True
False
Work hardening of metals is when ...
metal is hammered or rolled when it's cold to increase grain size.
metal is hammered or rolled when hot to increase grain size
metal is hammered or rolled when cold to decrease grain size
metal is hammered or rolled when hot to decrease grain size.
Which material property is Tempering of metals most linked to?
Hardness
Toughness
Brittleness
Thermal expansion
Creep is an undesired affect in super alloys. What is creep?
When a material slowly moves or vibrates.
When a material elastically deforms.
When a material changes plastically.
When a force creates a temporary bend in materials.
Super Alloys are metals that are used because of their ability to ...
resist corrosion and their increased mechanical strength.
resist oxidation and their increased creep.
resist creep and their increased oxidation rate.
resist chemicals and their increased thermal conduction.
