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WorksheetsCrystals
Total questions: 45
Worksheet time: 24mins
What is a crystal?
A pure material that can’t be changed.
Material with a regular,repeating arrangement of atoms.
A foggy like material.
Which crystal structure does the picture show?
BBC (British Broadcasting Company)
FCC (Face-Centered Cubic)
SC (Simple Cubic)
BCC (Body Center Cubic)
What is crystallography?
Study of cells
Study of earth
Study of oceans
Study of crystals
Which crystal structure does the picture show?
BBC (British Broadcasting Company)
BCC (Body Center Cubic)
SC (Simple Cubic)
FCC (Face-Centered Cubic)
what is the percentage of emptiness in the Simple Cubic form?
48%
32%
26%
56%
What is the percentage of emptiness in the Face Centered Cubic form?
43%
29%
15%
26%
Which of the following is a way that crystals can form in nature?
When liquids cool and start to harden.
When magma cools.
When water evaporates from a mixture.
All of the above.
What is a grain boundary?
Site where 5 crystals meet
Site where 9 crystals meet
Site where 2 crystals meet
Site where 15 crystals meet
Which crystal structure does the picture show?
FCC (Face Center Cubic)
BCC ( Body Center Cubic)
BBC (British Broadcasting Company)
SC (Simple Cubic)
What state or phase of material are crystals?
Gas
Plasma
Liquid
Solid
What is crystallization?
When crystals dissolve in a solution.
When crystals melt into liquid.
The formation of crystals
What is the softest mineral?
sulfur
calcite
talc
corundum
How do you remove the water to leave solid copper sulfate crystals?
Filter
Evaporate
Distill
What is the symbol for Copper?
C
co
Cu
CU
Which laboratory apparatus is a beaker?
__________ is the manner in which atoms, ions, or molecules are spatially arranged.
Pattern
Ionic bond
Crystal structure
Molecular formula
What is the small repeating entity of the atom structure?
Crystal lattice
Unit cell
Crystal structure
Shape
What colour is copper sulphate solution?
red
colourless
green
blue
What is the name for a solution which can't dissolve any more solute?
full
saturated
unsaturated
jeffrey
What should be used for stirring to dissolve a solute?
spatula
spoon
glass rod
splint
Warm water can dissolve more of a solute:
true
false
neither
What affects crystal size?
Amount of solute
time
temperature of water
all of the other answers
Graphite and Diamonds are _______ because they are different form of the same element, carbon.
allotropes
isotopes
morphs
nuclides
A solid material changing from one crystal packing structure to another is known as
Nucleation
solid state phase change
supersaturation
dendrite growth
One way to form a crystal is
dissolving solvent
cooling a melt
through internal symmetry
saturated solutions
An irregular, non-repeating arrangement of atoms, ions, or molecules is __________.
amorphous
a crystal
a compound
impossible to break down
What type of crystal tends to be larger?
fast growing
slow growing
Dendrites are
crystal arms resembling branches
skinny crystal spikes
rubbery crystals resembling spaghetti
rhombic shaped crystals
Identify the unit cell
simple cubic
BCC
FCC
HCP
Identify the Unit Cell
simple cubic
BCC
FCC
HCP
Identify the Unit Cell
Simple Cubic
BCC
FCC
HCP
Identify the Unit Cell
Simple Cubic
BCC
FCC
HCP
Carbon atoms are found in the spaces between iron atoms in steel. This crystal defect is a
substitutional
interstitial
vacancy
dislocation
Crystals are solids made of
light refracting particles
regular repeating patterns of molecules
hexagonal shaped super saturated molecules
slow growing symmetrical solvents
