Close Up Crystals Lab - Materials Science Institute

Name
Period
Close up Crystals Date
Background
Define crystal:
Explain the difference between a mineral and a rock:
Equipment and Materials
Hand lenses Powder A
Stereoscopes Powder B
Compound Microscope Powder C
ProScope w/ projector(opt) Powder D
FEI TTSEM
Procedure
1. Observe the four white powder samples with the naked eye and draw any structure
visible. Draw below:
A B C D
2. Observe the four white powder samples with the hand lens and draw any structure
visible. Draw below:
A B C D
3. Observe the four white powder samples with the steroscope (magnification ______)
and draw any structure visible. Draw below:

Name
Period
Close up Crystals Date
4. Observe the four white powder samples with the compound microscope under low
power (____x) and draw any structure visible. Draw below:
A B C D
5. Observe the four white powder samples with the ProScope medium power (_____x)
and draw any structure visible. Draw below:
A B C D
6. Observe the four white powder samples with the electron microscope (_____x) and
draw any structure visible. Draw below:
A B C D
7. Which magnifying instrument would you like to have access to if you wanted to
identify the powder left at the scene of a crime? Why?
8. Describe in word the structure of each of the white powders:
Powder A Powder B Powder C Powder D